and the impossible climb made possible. two free climbers scale the sheer rock face of el captainitan in oweyosemite national park. hello. thanks for joining us. this is an infrared satellite image of the nigerian town of baga. it's been released by amnesty international to show the scale of destruction after an attack by boko haram militants last week. well amnesty says that 620 buildings in the town were damaged, a lot of them completely destroyed. i want to give you a clearer picture as to what's happened here. this is the image from the second of january, so ahead of the attacks. overall, lots of vegetation. you can probably see the buildings in between there. if we now mix through to the scene after the attack the buildings have all gone. not much vegetation left either. but essentially razed to the ground. the officials in the northeastern border states say that attack killed 150 people. other reports, though put the death toll as high as 2,000. it's just one attack among a whole capital. heavy fighting broke out on friday, as the nigerian military managed to hold off boko haram fighters. but those fighters then tried to take another town damaturi. on saturday a bomb strapped to a girl killed to be just 10 years old killed 19 people. a busy market was targeted on sunday. two young women blowing themselves up on this occasion killing at least four people injuring more than 40 others. and then on monday authorities in neighboring cameroon said they managed to repel an attack by boko haram insurgents on one of their northern bases. and on wednesday, nigerian authorities said they had pushed back a militant attack on the town of bu although two anti-aircraft guns were stolen in the process. the bbc's will ross has the latest from les gos. >> reporter: these images show the devastating impact of a major boko haram attack. the first satellite photos were taken the day before the jihadists struck. then four days later, burnt-out buildings can be seen in baga town. amnesty says 620 buildings were damaged or completely destroyed by fire. in the nearby settlement of doran baga more than 3,000 structures were targeted. the gunman captured the military base before shooting whoever they could in baga and the surrounding villages. >> much of the northeast of nigeria is extremely inaccessible and dangerous. so much so that these first pictures of the violence around baga have come from these satellite images. they show the destructive nature of the group, boko haram, but they don't give us anymore clues as to how many people were killed in this violence. >> the extremist group has a long track record of violence against civilians. the nigerian government says no more than 150 people were killed in baga but people fleeing suggest the number is far higher. one eyewitness tells the bbc that the jihadists have detained hundreds of women in the captured town. they wouldn't be the first to be held against their will by boko haram. more than 200 schoolgirls kidnapped nine months ago are still not free. the nigerian military has managed some successes, repelling recent boko haram attacks. but the jihadists seem to be growing in strength. on a visit to nigeria, the former head of the united nations spoke to the bbc about the crisis in the northeast. >> they are brutality, the murdering of innocent women, children, and men cannot be condoned. they are determined to instill fear and intimidate the population in the whole area. and not just the government. with the support of international partners should do whatever it can to end the insurgency. >> half a million people have now fled the violence and headed for the main city. there they can get some help but the humanitarian agencies cannot get to the worst-hit areas. this conflict is destroying communities and tearing helpless families apart. the baga attack marks an escalation in the crisis. will ross bbc news legos. >> speaked to suleman about whether these new pictures we're getting give any clearer indication of how many people were killed in the attack. >> in terms of the number of people who were killed the pictures do not show or verify the numbers that we are getting. but i think from the pictures the extent of destruction is huge. this is a town baga which from the pictures you can see that if you compare the two pictures the one before the attack the one after the attack you can see a number of buildings that were razed to the ground. the destruction is really huge. but indeed it does not tell us about the number of people that were killed in the attack. >> no. in terms of the way -- i mean there are buildings that are gob. there's absolutely nothing left. all just burned to the ground. >> indeed, they were burned to the ground. and we get these accounts from eyewitnesss who live in the town of baga who say many buildings were razed to the ground and they are the same people who said a number of people were killed. and a local government official from that area put the figure at 2,000. but the government officials are saying, 150. and you have to question them. because this is a town that was taken over by boko haram. how they were able to verify that only 150 people? so the best i think, figure you can take is from the people who were in the town who suffered that attack and who were able to flee. because they told us after they were fleeing, that boko haram was following them and shooting at them and at other people. but the government says that only 150 people were killed. >> yeah i suppose that was the point they were making that many of them had fled before boko haram got in. >> and another question to ask, boko haram went into the town. if the town was empty, why then burn the town down? they would just take it over if the town was empty. so presumably there were people in there, and that was why, in order to instill terror into them is to burn down the town and then kill them and that is what boko haram has been doing for quite a long time. >> there are elections in -- it's a month precisely, now, isn't it? a month's time. can we gauge how much damage this is doing to the government or not, indeed in terms of those elections? >> well the thing is i think the government and the opposition parties are continuing with their campaigns. i mean, some of them make reference to the violence that has taken place and some of them might not even make a reference to what is happening. the big question is that how is the government going to conduct election in these areas? because these are areas that are no good areas for the military service. how do they expect election officials -- i mean election -- to go there and expect people to go and work? but still, people are insisting that elections are going to take place in this area. now one has to wait and see what is going to happen if there is going to be a miracle. because nigeria is going in there, how in one month's time it's going to bring peace in the area, for people to be able to work. >> the french president, francois hollande, has been speaking about the role of islam in france. he was giving an address to the arab world institute in paris in the wake of course of the killing of 17 people by terrorist militants in the country last week. he said muslims were the first victims of fundamentalism around the world. >> islamism of all convictions and influences. all the miseries and inequalities. it stems from all the conflicts that have not been sorted for a long time. and it is the muslims who are the first fixings of fundamentalism and intolerance. >> we should also remind people and i do it every time whenever i happen to be in the arab world, that islam is compatible with democracy. >> francois hollande there. well in berlin new security measures have been announced by the german chancellor, angela merkel. this is partly in response to the attacks in paris. the president began today's parliamentary session by leading a one minute of silence for the victims of the paris attack. chancellor merkel then gave measures, among them tightening an existing travel foreign ban for known islamists to stop them heading to war zones like syria or iraq. let's catch up with business news. aaron has the details of showme. i should get used to saying that. >> very good. somehow showme. china's showme has staked its claim to apple's crown. we are talking about the world's third biggest smartphone maker and the most valuable tech start-up unveiled its flag ship my note. and it's a challenger. a challenger to apple's iphone 6 plus. why is a chinese launch from a chinese phone gaining so much international attention? xiaomi is one of the first big chinese brand that's starting to make its presence known around the world. there are even rumors it might announce an american launch on thursday. just three years after xiaomi sold its first smartphone a $1 billion round of fund-raising, which was announced in december valued this chinese tech giant, the value to have the company at $45 billion. we're going to have more on gmt coming up on that one. we're also going to be looking at scotland, where the north sea oil industry has been battled by those plunging oil prices. bosses at bp are talking to staff at their headquarters in abidine after a strategic review of their north sea operations and they are expected to announce what could be the first in a wave of pretty big job cuts. around 450,000 people work in the uk oil industry. around half of them in scotland. under the north sea, it is expensive, very expensive to bring up out of the ground to extract anything under 60 bucks a barrel and the industry warns, it's just not profitable to do. we know what brent crude is at the moment. it's trading around $48.50 a barrel. and we keep reiterating this it's down. the value of a barrel of oil has fallen by just over 60% in the past seven months leading one senior industry figure to warn last month that britain's oil industry, ouch is close to collapse. again, we're going to keep our eyes on this one. and staying with the impact of oil prices that is apparently why india's central bank made a very big surprise. a surprise move to cut its interest rate to 7.75%, all thanks to lower than expected inflation. this move came ahead of the bank's regular meeting next month. and the experts say it certainly paves the way for further interest rate cuts. again, we'll have more throughout the rest of the day on that. so lots going on. follow me on twitter. you can tweet me and i'll tweet you right back. you can get me @bbcaaron. more on "gmt" in just over an hour's time. the fbi has charged a man in ohio with plotting to attack the political heart of the united states, the capitol building in washington, d.c. christopher cornell was detained after allegedly trying to buy firearms and 600 rounds of ammunition on wednesday. he's also said to have posted messages on social media supporting violent jihad as natalie grimly reports from washington. >> reporter: this is the moment that the fbi sweeped in on a man that they believe was planning an attack with guns and explosives on capitol hill. christopher cornell, aged 20 had gone to buy two semiautomatic weapons and 600 rounds of ammunition. >> in terms of our cooperation with law enforcement, that's something that we do every day. it's a part of who we are, as a responsible firearms dealer. so that was not out of the ordinary. the fact that it was something of this scale, we had no idea. >> reporter: christopher cornell had come to the attention of the authorities after an informer had noticed his messages on social media declaring support for the militant group, islamic state. cornell is supposed to have posted on twitter last year "i believe that we should just wage jihad under our own orders and plan attacks and everything." the fbi allege he'd also researched making pipe bombed and had looked into traveling to washington, d.c. he also told an undercover agent that members of congress were enemies. security has inevitably been tightened on capitol hill though the fbi has been stressing there was never any imminent danger to the public during their investigation. meanwhile, christopher cornell's father admits his son may have posted the medicals about violent jihad out of anger, but he says his son was just a mama's boy and wouldn't have been able to carry out any actual attack. >> well do stay with us here on bbc world news. still to come objectn the program, a special report from inside the detention camp at guantanamo bay as five more prisoners are released. d way to the new you'll need the right it infrastructure. from a partner who knows how to make your enterprise more agile, borderless and secure. hp helps business move on all the possibilities of today. and stay ready for everything that is still to come. you pay your auto insurance premium every month on the dot. you're like the poster child for paying on time. and then one day you tap the bumper of a station wagon. no big deal... until your insurance company jacks up your rates. you freak out. what good is having insurance if you get punished for using it? hey insurance companies, news flash. nobody's perfect. for drivers with accident forgiveness, liberty mutual won't raise your rates due to your first accident. see car insurance in a whole new light. liberty mutual insurance. you're watching "bbc world news." i'm david eades. our main news amnesty international has released satellite images of the nigerian town of baga showing the scale of destruction after last week's attack by boko haram. pope francis' asian tour is well underway now. he's been in sri lanka already. he's now arrived in the philippines to really quite a welcome, as well. and his trip to the country will last five days. here he is stepping off the plane. a number of the people coming out to see him and to celebrate the performances he's giving. he's set to visit in the course of these five days a town where he'll meet survivors of the typhoon that hit the area back in 2013. a large population of catholics in the philippines, of course. some 80 million in all. i think we can speak now to our correspondent, rupert winfield hayes, who's in manilla. having witnessed already the welcome for the pope it's going to be a busy few days. >> judging by what we've seen here this evening, it's going to be a very few busy days for the pope. the pope went right past me a few minutes ago in his popemobile and the crowds were ecstatic. and there was a huge smile on the pope's face as he waved from his popemobile to the crowd, watching enormous crowds here. i mean lining the streets, all the way from the airport, all the way to the middle of manilla. 20 deep on either side of the road. how many people turned out to watch the pope coming to town i'm not sure but it is probably in the hundreds of thousands. that's just from the drive in from the airport. so that gives you an idea of what sort of crowds will be turning out to see him in the next few days. >> we've got a line running on the screen rupert saying high security for the visit from the pope. what is probably par for the course anyway. but this has not always been a terribly welcoming place for popes. >> reporter: well it's a mixture, because the vast majority of filipinos are both catholic and devout catholic and absolutely welcome the pope and are delighted to see the pope. there are a small minority of people here who are not welcoming of the pope. in particular there are some extremist groups in the philippines. one in particular called abu sayet, a muslim extremist group in the south of the country, who has sworn allegiance to islamic state, so it is a potential threat. there have been plots against popes on previous visits here. a former plot that was foiled against pope john paul ii in the mid-1990s. so of course because of that, security is of the highest importance here. with these massive crowds it's going to be very very difficult. having said that i found it very, very easy to walk right through the crowd, through the police line and on to the front row as the pope went past me this evening with just my media pass on. so i'm not quite sure exactly how tight security is. >> remind you, you are rupert wingfield-hayes. rupert, thank you very much, indeed. now, five men from yemen have been released from the u.s. detention center at guantanamo bay after 12 or more years of captivity. four have been sent to oman the fifth to estonia. their release brings down the number of guantanamo detainees to 122. 28 inmates were moved last year you may remember. well president obama's pledge to close guantanamo when he took office six years ago. the bbc's alina ball has been given special access to the camp. >> it was meant to be temporary, but guantanamo bay is still holding prisoners. we got to walk its darkened corridors, and through the one-way mirrors used by the guards, got to see some of the men who have been here for up to 13 years. the vast majority of whom have never been charged with any crime. but some are starting to believe their wait could soon be over. >> so here's the facility. >> reporter: because the cells are fast emptying, from a high of well over 700, fewer than 130 detainees remain. there's been a sudden spate of men released in recent weeks. >> this is camp five. it's in this block that detainees who are seen as less cooperative are held to punish them and keep them away from other prisoners here and they include the last british resident detainee. he like so many others has spent years being cleared for release, but his british wife and four children still wait for him. >> it is really mind boggling that he should remain at guantanamo, should have remained at guantanamo for as long as he has. and as mind boggling as it is to us on the outside, you can only imagine what it does to shaker on the inside. >> reporter: the real test for the american government and president obama if he does want to close this test is what happens to those who are still seen as a threat but have never been charged and still never been tried. it seems a lack of exercise may be responsible for twice as many deaths as obesity. those are the findings of a major new research project by scientists at kill bridge university here in england. our health correspondent has more details. >> this study provides fresh evidence of the huge potential public health benefits of getting people who are inactive to do a little bit more. previous studies have indicated how this can reduce the risks of heart attacks, diabetes and some types of cancer. this paper attempts to tease out the relative dangers of inactivity and obesity. more than 330,000 men and women across europe over 12 years, it concludes just over 7 in every 100 deaths were caused by inactivity, while about 3.5 in every 100 deaths were down to obesity. the biggest reduction in risk were between those who were inactive all day and those who managed a brisk 20-minute walk. experts say it shows just a little effort goes a long way. >> it's not about track suits, treadmills, and trend shoes. it's about just doing small things every day, to increase your physical activity. not sitting for long periods of time. trying to get up every 20 minutes and doing a little bit of movement around. even a few paces is enough. >> well more than a few paces coming up here. a real change of pace. two rock climbers have made history by scaling 900 meters of sheer granite rock face in yosemite national park. >> reporter: sean payne on the summit after a claim that many claims couldn't be done. on day 19 of their epic climb, tommy caldwell and kevin joggerson were just dots on the giant granite rock face. but through a zoom lens they could be seen climbing to the top. a mother praying nothing would go wrong. and then, they reached the top together. [ cheers ] tommy's dad and his young son were delighted. >> we're probably going to really encourage him to get a shower. on the top their partners were waiting for them having hiked the long way around. >> reaching the summit of this vast block of granite in 19 days, in one climb, is a huge sporting achievement. it took a great deal of physical and mental strength for these two climbers to do something which has never been done before. fans and fellow climbers had watched history unfold. >> it's a bunch of unprecedented things. nobody's spent eight years trying to do one climb. nobody's spent 19 days on a continuous first try. i don't really look at it in terms of a climb. it's just this heroic kind of narrative, in a sense. >> president obama even tweeted his congratulations. he reminds us anything is possible, he says. >> the celebrations are continuing. and getting down well that's going to be far easier and far quicker. >> what a feat. thanks for watching. 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catholics, to amid enthusiastic welcomes from huge crowds. a driver from the west-based taxi firm uber has gone on trial in india, charged with the rape of a passenger. and don't just diet get fit. a british study finds lack of exercise could be killing twice as many people as obesity. hello. thanks for joining us. this is an infrared satellite image of the nigerian town of baga. it's been released by amnesty international, to show the scale of destruction after an attack by boko haram militants last week. amnesty says that 620 buildings were damaged here. many of them completely destroyed. we'll give you a clearer idea let's have a look first of all, at this image. this is from the second of january. so before the attacks took place. the vegetation is all in red. you can see all the buildings dotted between the trees there. now let's have a look at the picture after the attacks. you can see, pretty much everything gone there in terms of the buildings. not much vegetation left either. well officials in the northwestern state said the attack killed 150 people. other reports have put the death toll as high as 2,000. this is one attack among the whole area. heavy fighting broke out on friday as the nigerian military managed to hold off boko haram fighters. but those fighters then tried to take another town. on saturday in nearby maiduguri, a bomb strapped to a girl said to be just 10 years old killed 19 people. a busy market was targeted on sunday. two young women blew themselves up killing at least four people. and on monday authorities in neighboring cameroon said they managed to repel an attack by bocoko haram insurgents on one of their northern bases. wednesday, nigerian authorities said they'd pushed back a militant attack in the town of biu. >> reporter: these images released by amnesty international show the devastating impact of a major boko haram attack. the first satellite photos were taken the day before the jihadists struck. then four days later, burnt out buildings can be seen in baga town. amnesty says 620 buildings were damaged or completely destroyed by fire. in the nearby settlement of doranon baga on the shores of lake chad more than 3,000 structures were targeted. the well-armed gunman initially captured the military base before shooting whoever they could in baga and the surrounding villages. much of the northeast of nigeria is extremely inaccessible and dangerous. so much so that these first pictures of the violence around baga have come from the satellite images. they show the destructive nature of the group, boko haram, but they don't give us any more clues as to how many people were killed in this violence. >> reporter: the extremist group has a long track record of violence against civilians. the nigerian government says no more than 150 people were killed in baga but people fleeing suggest the number is far higher. one eyewitness told the bbc that the jihadists have detained hundreds of women in the captured town. they wouldn't be the first to be held against their will by boko haram. more than 200 schoolgirls kidnapped from chiboch nine months ago are still not free. the nigerian military has managed some successes, repelling recent boko haram attacks. but the jihadists seem to be growing in strength. on a visit to nigeria, the former head of the united nations spoke to the bbc about the crisis in the northeast. >> they are brutality, the murdering of innocent women and children and men cannot be condoned. they are determined to instill fear and intimidate the population in the whole area and not just the government. with the support of international partners should do whatever it can to end the insurgency. >> half a million people have now fled the violence and headed for the main city of maiduguri. there they can get some help but the humanitarian agencies cannot get to the worst-hit areas. this conflict is destroying communities and tearing helpless families apart. the baga attack marks an escalation in the crisis. will ross bbc news, legos. >> well they're extraordinary pictures aren't they? with me is daniel aier the nigerian researcher for amnesty international. thanks for coming. first, how did you get the pictures? >> we went through a company called digital globe and they were lucky enough to find images of the baga area before and after the attack. it's not often the satellite is directly over head so we were very fortunate that a day before the attack and a few days after, the satellite was in place and we were able to get these images. >> that was a coincidence, effectively, in being able to see what we see here. i mentioned earlier there were over 600 buildings in baga town destroyed, but the scope is far bigger than that. >> the neighboring town of doranon baga was also attacked by boko haram. what we see by the satellite images is more than 3,100 structures were either damaged or completely destroyed. and when you look at the size of doron baga that's almost the entire town. so we're saying that this is likely to be the deadliest attack by boko haram so far, but the first time they've razed an entire town to the ground right there. >> obviously, the hugely contentious issue, it seems, at the moment is how many people lost their lives. to say 150 people were killed is in itself utterly appalling, but there are suggestions as many as 2,000. is there any way you can work with those figures and give us any idea? >> unfortunately, the people who have fled the violence are still searching for their relatives, trying to find support with people living outside of the affected area. and no one can return to baga, because boko haram remains in control there. so it's still too soon to count bodies and to bury the dead. >> i just wonder was clearly, some people fled as they would. i mean this is a large area and are they saying everyone got out or not? because 2,000 people is quite a lot. 150, you could essentially say, they cleared the place out before boko haram got there? >> well we've spoken to multiple eyewitnesss, people who were in baga at the time of the attack, and the picture that they're giving us is one of really widespread violence and killing. not only in baga town itself but also surrounding towns like doron baga and in the bush. one person was telling me that as he fled from the town boko haram fighters were in the trees, hiding waiting for civilians, and shot at them as they fled. so we've spoken to people in these different locations and different places around baga and the picture that's emerging really is one of hundreds killed by the group. >> hundreds at least. >> the conflict has really escalated in the last 12 months. according to our research we think that more than 4,000 civilians were killed in 2014 alone by bow cay haram. in the last six months as well boko haram has taken many towns. baga's not the first. we believe that around 20 major towns in northeast nigeria are under the control of boko haram. so this is really a very serious escalation to the crisis. >> daniel thanks very much indeed. daniel eeyer. >> thank you. pope francis is now out in the philippines to a raucous reception. we've got pictures as he emerged from his flight. now the trip to the philippines is going to last five days in all. this is a country with 80 million roman catholics. that makes it the third largest catholic country in the world. a special open air mass will be taking place on sunday. our correspondent rupert wingfield hayes is there and says the pope is already receiving a very warm welcome. >> reporter: there was a huge smile on the pope's face as we waved from his popemobile to the crowds watching. enormous crowds here. i mean lining the streets all the way from the airport, all the way to the middle of manila. 20 deep on either side of the road. how many people turned out to watch the pope coming to town, i'm not sure but it is probably in the hundreds of thousands. that's just for the drive in from the airport. so that would give you an idea of what sort of crowds are going to be turning out to see him in the next few days. >> we've got a line running on the screen rupert saying high security for the visit of the pope, which i suppose is par for the course anyway. but this has not always been a terribly welcoming place for popes. >> reporter: well it's a mixture. because, of course the vast majority of filipinos are both catholic and devout catholic and absolutely welcome the pope and are delighted to see the pope. there are a small minority of people here who are not welcoming of the pope. in particular there are some extremist groups in the flooebs philippines. one in particular. a muslimist extremist group in the south of the country, which has sworn allegiance to islamic states. so it is a potential threat. there have been plots against popes on previous incidents here. a bomb plot that has foiled against pope john paul ii in the mid1990s. so of course because of that security is the highest importance here with these massive crowds it's going to be very, very difficult. having said that i found it very, very easy to walk right through the crowd, through the police line and on to the front row, as the pope went past me this evening, with just my media pass on. so you know, i'm not quite sure exactly how tight security is. >> that's rupert wingfield-hayes. i want to take you to briefly to paris, the mayor of montoya, and the reason he's on his feet speaking, there's a public ceremony there for one of the cartoonists of "charlie hebdo." his widow along with the french justice minister also expected to speak at the start of the ceremony in his honor. well earlier, the french president, francois hollande gave a speech about the role of islam in france. he was giving an address to the arab institute in paris, in the wake of the deaths of those 17 killed by islamist militants. and he said muslims were the first victims of fundamentalism around the world. >> and islamism has been feeling of all influences. all the miseries and inequalities. it stems from all the conflicts that have not been sorted for a long time and it is these who are the first of infantfundamentalism and intolerance. we should also remind people and i do it wherever i happen to be in the arab world, that islam is compatible with democracy. >> now live from paris, tom, a more perfect place to have an opportunity to address the issues of islam and france you couldn't imagine, could you? interesting balance to be struck between unity and punishment. >> yes, you're absolutely right. he was speaking at the arab world institute here in paris, a very impressive modern contemporary building. he was talking to an audience of leading thinkers and politicians from the arab world, who were there, at the building in paris. but i think his audience was really intended to be not only those arab countries, who have stood shoulder to shoulder with france in recent days but also france's own muslim population. remember it is the largest con tin tin gents of muslims in recent days. there have been simmering tensions from neighborhoods with muslim populations. there have even be minor, small-scale counterattacks on mosques and islamic centers. and i think the real sentiment that president hollande wanted to send out today was that islam is part of the solution not part of the problem. and it is radical islam that is influenced by the more problematic corners of society, but not islam as a whole. >> it's interesting, that radical islam feeding off all the contradictions of the miseries and inequalities as well as conflicts left unsorted for a long time. so messages which will run a lot further afield. >> yes absolutely. and you know remember that the key to all of this is france's role in trying to reshape the problem that is syria and iraq at the moment. and the very fact that france is situated at the nexus of that crisis because of the number of jihadists who have gone from france, who syria, to join islamic state. and i think president hollande was really adamant in wanting to make sure that people understand that that crisis that conflict cannot be allowed to destabilize france further. because that is what is occupying a number of french people. because jihadist will come back to this country, because there could be the potential for further destabilization. and of course france is a country which really does remain on edge in the wake of those attacks. and this is a president who at the helm of a secular society, has to reach out, not only to muslims, but also to the jewish corners of society as well and the christians, as well and remind them that this is a society which can survive, which can really do very well. >> tom, thanks very much. thanks for being with us here on "bbc world news." still to come in the program -- it's the impossible made possible. two free climbers scale the sheer rock face of el capitan in yosemite national park. we'll have more. the latest headlines. amnesty international has released infrared satellite images of the nigerian town of baga showing the scale of destruction after last week's attack by boko haram. pope frances has arrived in the philippines to an enthusiastic welcome to vast crowds. an indy driver from the web-based taxi firm uber has gone on trial. he's charged with the rape of a passenger. we can speak now to the bbc's shupa who is outside the court. this is a pretty fast turnaround for a trial, isn't it? >> reporter: absolutely. it has surprised many because the alleged incident happened just about six weeks ago. today's the first day of the trial. of course it's closed for now, but the judge actually shut the media out. but the victim has recorded her state. we are not allowed to give the details of her statement, the defense lawyer did come out and say, they are hoping to question her tomorrow and they're reading her statement very closely. >> as that trial gradually unfolds, we're seeing some pictures, first pretty dramatic stuff of the entrance there. but as it unfolds, how have people tended to respond to uber and similar companies in india? i mean have they been fatally wounded, do you think? >> reporter: since the assault, uber and other web-based services have been banned in the city of delhi and a few other cities in india have followed suit. uber itself is saying they're taking these allegations very seriously and reviewing their safety policy and the way they do driver checks which is difficult in a country like india, because everything's not online. and in this case for example, the driver had produced fake things, the license was wrong. these are things that the company says are beyond their control. but they are putting in place new checks. meanwhile, the police have also said that they're also investigating whether they could file a criminal case against uber itself, for failing to adhere to the norms and failing to disclose the full safety issue with the web-based surface. it's interesting, it's going to affect both the company as well as how the service itself operates in india. >> thank you very much for the latest there on the uber rape case. now, new research has found that a lack of exercise could be killing twice as many people as obesity in europe at least. the study followed more than 300,000 people over a 12-year period, so pretty extensive, but the lead researcher told me that this does not mean that we should be any less concerned about levels of obesity. >> well i think we should acknowledge both physical inactivity and obesity as major public health problems. what we found in our study was that the number deaths, if we could eliminate physical inactivity from the population was twice as big as the number of deaths if we could eliminate obesity. and that means everybody with a bmi greater than 30 should become either a normal weight or overweight. >> and essentially, aren't they part and parcel of the same problem? obese people are likely to be less active? >> that is correct, but the associations between physical activity and weight gain and the prevention of gaining body weight is not clear kept. and it actually seems that it might be that you may become obese by other means, and then you become less physically active. >> we didn't look at that in this study. we looked at mortality as the outcome. >> could you nonetheless, give us an indication as to what you think would be sensible levels of activity to enhance your chance of a better, brighter, longer life? >> what we found in this study, moving from the inactive category to the moderately inactive category had substantial health benefits. that was regardless whether you were normal weight overweight or obese. so small increases in physical activity in many people will have significant public health impact. we estimate that you probably do not need to do more than about 20 to 25 minutes of brisk walking every day. colombian's president says promise to begin negotiating a definitive cease-fire with farc guerillas who have been waging a campaign against the state for more than half a century. after two years of talks in cuba, the president has said on tv peace is closer than ever. they did say it couldn't be done but within the last two hours, two rock climbers have made history by scaling 200 meters of sheer granite rock face in yosemite national park. they only used ropes to prevent themselves from falling. tommy joggerson and tommy caldwell have free climbed the wall of el capitan and allison was there. well we're not there, instead, we're going to hear from hazel finley. hazel has climbed el capitan four times herself and is good friends with tommy and kevin. so i asked her, what was so difficult about the climber's latest feat if she'd done it four times. >> the mountain, there's hard ways up and easier ways up. so i've climbed el capitan some easier ways than those guys have. >> we're hearing some of the statistics. you know tommy well. he says he spent years of his life trying to do this up in yosemite, on this el capitan? did you think it was do you believe. >> knowing how they are at climbing and knowing how determined they are, i did think they would get it done. it takes a special kind of person to persevere at something like that and those guys are definitely that type of person. >> how closely have you been monitoring it? i mean 19 days. it's sort of hard to conceive what they've gone through. >> yeah it really is amazing. you know they're going to be so exhausted. but the climbing community has been following them every step of the way. you know you see on facebook or on twitter or something, that one of them had just done a particular pitch or piece of the climb, so i think the climbing community is really excited for them. >> and in a sense, is that the holy grail now, hazel? is there something that tommy and kevin are going to be thinking, okay we cracked that one. there is of course one more to go. or is that the ultimate? >> i think for tommy especially, you know he's put so many years of work into this route, that i do think that this will be maybe the pinnacle of his climbing career. but in terms of the sport in general, there's never tops -- you know in running, there's never the fastest time that no one can beat. so i think maybe there will be harder routes that will go up el cap one day or harder climbs and the sport will continue to progress. >> just before we have to let you go give us a sense as to the physical commands. we've seen some of the pictures of the fingers and the fingernails are gone basically. >> yeah, it's like holding a credit card thin and the granite's massively hard rock is really sharp. so it really slices into your fingertips, and that means, you have to rest for maybe three days until your skin grows back. so it's hugely physically demanding. >> hazel findlay there. i want to send you back to paris for a moment, where a funeral is taking place of one of the cartoonists. there's a picture of tignous and his expressions of great warmth coming earlier from the mairp to the widow of tignous. you're watching "bbc world news." thanks for being with us. but to get from the old way to the new you'll need the right it infrastructure. from a partner who knows how to make your enterprise more agile, borderless and secure. hp helps business move on all the possibilities of today. and stay ready for everything that is still to come. i've been called a control freak... i like to think of myself as more of a control... enthusiast. mmm, a perfect 177-degrees. and that's why this road warrior rents from national. i can bypass the counter and go straight to my car. and i don't have to talk to any humans, unless i want to. and i don't. and national lets me choose any car in the aisle. control. it's so, what's the word?... sexy. go national. go like a pro. hello. you're watching "gmt" on bbc world news. i'm lucy hockings. new evidence that boko haram carried out their deadliest attack last week. these satellite images show the massive destruction of two nigerian towns. in this remote and dangerous area we're asking what's being done to help those to survive. president hollande says he'll defend the right for all religions. he says islam and democracy are compatible. >> it is the muslims who are the

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