protesters who suffocated in the back of a van. i'm in northern buenos aires, argentina, where thousands of people have been forced out of their homes by flooding. ♪ isil has claimed responsibility for a bomb attack in a crowded market in the iraqi capitol. at least 55 people were killed in the city, a mainly shia district of baghdad. around 200 others were injured. mohammed jamjoom reports. >> reporter: in the blink of an eye, the scene turned from mundane to murderous. the predominantly shia neighborhood in eastern baghdad is one of the capitol's most densely populated, as some searched for survivors, others found the dead. because the early-morn attack was apparently planned to maximize civilian casualties, many iraqis new this would be the work of isil. it was the third attack by the group in as many days, ung scoring how tenuous the security situation here is. on tuesday isil attacked two other areas where many shia muslims live. dozens were killed and dozens more injured. attempts to deepen sectarian lines at a time when increasing numbers of iraqis are demanding their government work together. fed up at the lack of basic services such as electricity and clean water, tens of thousands have been demonstrating against corruption. a call that's alarmed iraqi leaders who have quickly passed sweeping reform proposals. while protests were planned for friday in several cities, it's unclear how this attack may affect the turnout, especially here in baghdad which has now experienced another brutal reminder of the security crisis in this country. chairman of iraq's parliamentary block, a shia coalition says the bombing won't fan sectarian tensions. >> the tension will not be as isil wants. most of the iraqis know those behind these attacks are not iraqi sunnis. we can dif rin shee at it clearly between sunnis who are moderate, who adopt a national discourse from the extremist, from the -- from those terrorists who have this very extreme discourse. it is clearly not sectarian. i mean, although the motivation behind the attacks is sectarian, because isil believes that shia, and moderate sunnis should be killed. they are not muslims. this is not going to raise any -- any tension. this is going to draw -- maybe distract the attention given to the areas where daesh is occupying. this is going to distract the attention of the government from focusing on basic services from solving the political problems. maybe this is going to be the main -- i mean the main negative or the main problem that this attack or such attacks will create. now to northern china and the explosions which have ripped through one of the world's busiest container ports? . the blast was so powerful, they registered on the earthquake scale and could be seen from space. the latest number of dead is at least 50 with more than 700 others injured and thousands made homeless. adrian brown is at the scene of the latest disaster. >> reporter: the heart of one of china's most important economic hubs, torn apart by multiple blasts. [ explosion ] >> reporter: fires burned throughout the night. there were further explosions on thursday afternoon. as a pool of toxic smoke billowed across the city with local people concerned not for the first time, about the air they are now breathing. >> translator: we're very worried about what chemical is in the air. we're worried it might be toxic and could be harmful in the future. >> reporter: close to the epicenter, the scale of destruction is difficult for dazed survivors to comprehend what happened and why. >> translator: i thought it was a gas explosion. my bedroom wall was hit by a shock wave which threw me out of bed. >> reporter: windows were shattered in homes almost two kilometers away, foreseeing the evacuation of hundreds of families. the flying debris sliced through hundreds of vehicles. temporary housing for migrant workers bore the brunt of the blasts. this is a worker's dormitory and as you can see it has been completely shredded, the damage bares testament to the force of the explosions. the people in here were lucky to get out alive. the number of dead is continuing to rise. many of them were firefighters. government officials say hundreds of people were treated in hospital, mostly for cuts, caused by flying glass and concrete. >> translator: my first reaction was to run. i then heard another blast, i escaped and was running wild. i got blood all over my body. >> reporter: the authorities say the blasts were caused by chemicals stored in a warehouse, close to where thousands lived. an investigation into how that was possible has now begun. adrian brown, al jazeera. a court in cairo has sentenced four policemen over the deaths of 37 protesters in august 2013. they will serve a total of eight years between them. the most senior officer had his jail time reduced after an earlier sentence was quashed. rob matherson looks back at the details of the case. >> reporter: august, 2013, and death has become a regular occurrence in the chaotic streets of cairo. it's a month since the first democratically elected president, more hamed morsi has been toppled by the military. families struggle to identify the bodies. and some look for the names of family members among the 37 prisoners gassed to death inside a van carrying them to the jail. most of those killed in the van are later identified as morsi supporters, rounded up when a pro-morsi camp was cleared, but some are just passers by, arrested by mistake, jammed into the overcrowded space. crowds gather at a nearby morgue. police say the prisoners rioted and tear gas was fired into the van. the van is sealed. the prisoners suffocate and die. the officer in charge of the convoy is a captain. >> translator: my brother was transferred to the prison. the prison was attacked and we don't know what happened to him. we were told that prisoners were killed. we wrr planning to visit him, but we were told that many were killed so he came here to the mowing to check for him. >> reporter: in march 2014, the captain is sentenced to ten years in jail for the manslaughter of the prisoners. three other officers get suspended sentences. it's the first time since the ousting of president morsi that security forces members have faced trial over the deaths of demonstrators. outside the court, violence breaks out. three months later in june, the captain's sentence is quashed on appeal. this latest verdict is from egypt's highest court. it is final. and cannot be appealed. rob matherson, al jazeera. let's talk now to the egyptian journalist and former editor of the newspaper. what is your reaction, then, to these sentences? >> well, it -- it's not a surprise. it's not a surprise. and -- well, at the beginning of the case, when i had a quick look at the indictment, i knew it long before the trial started that it -- it's going to end up with maximum of ten-year sentence imprisonment. and minimal will be a year suspended. so it's not a surprise. in my view, nobody can blame the judge, and especially in this case, nobody can blame the judge. the judge had two ways -- there are two ways to look at this case. the first -- and they are both fine, by the way. the first is that -- that the judge could have reinvestigated and recharacterized the charges and revert them back to the prosecutor general and ask the prosecutor general to change it from a misdemeanor as stipulated in the indictment, and then try the case again, which rarely happens. the second option for the judge was to proceed with the case as is, as the indictment was written, and go ahead and pass these sentences according to the charges the way the charges was characterized as a felony. and this is -- this is a moderate -- i wouldn't say a maximum, a moderate sentence, in case -- in terms of misdemean misdemeanors. >> and these sentences, a reminder that these are four policemen who have been sentenced to a combined total of eight years in jail for the deaths of 37 protesters, and this sentence is in stark contrast to the lengthy sentences that have been recently meted out, as well as death sentences. >> exactly. the first convict was given five years, real sentence. the three others were given one year suspended -- suspended, which is not a real sentence. so we cannot say combined eight years. it's just five years. it's even worse. but then again, i mean -- it all goes back to the prosecutor general, and if anybody is to blame, it's the prosecutor general. i personally know a fellow journalist who was indicted in a felony of intending to train his fellow journalists to be more professional and objective, he stood up in the case for three years and ended up with imprisonment sentence of imprisonment and hard labor, and his charges were characterized as a felony, not a misdemeanor. 37 dead, misdemeanor? well, let me express my deepest condolences for the victim's families. >> thank you very much indeed. >> thank you. now to myanmar where two of the country's most senior politicians have been remove from office. solderers have surrounded the ruling party's headquarters there has been tension over the general election in november. >> reporter: limited access in and out of the headquarters of the ruling union solidarity and development party. it has been surrounded by security forces locking many mp's inside. for months there has been an internal power struggle between the chairman of the ruling party and the president. both are former top military officers, and both have said they want to run for president in november's general election. but a meeting to declare the candidates before friday's deadline also included an announcement that one had been dismissed. >> translator: he is not on the new list of the central committee, but he is still chairman of the lower house of parliament and union parliament, and he is also listed on the candidate of the lower house in the party too. >> reporter: the secretary general of the party has also been dismissed. there is still questions over what exactly it means for both men and their position in the ruling party. >> the army and to some extent the ministers feel that he has been a traitor; that he hasn't actually been playing ball with the executive and he has been trying to manipulate the parliament to change the constitution when the army and president are not ready for it. >> reporter: it's also being seen as a blow to myanmar's path to democracy. it's supposed to be the least-restricted since the military handed over power four years ago. but in fighting and public protests have already caused unrest. the party of the opposition leader is expected to make major gains in the election, but she is not allowed to run for president, a law bars candidates who have children with foreign passports. november's election is being seen by the international community as a test of whether myanmar's military commanders really are ready to loosen their grip on power. erika wood, al jazeera. still to come in this al jazeera news hour. find out about hillary clinton's sensitive emails, and how they could hurt her chances in the race for the white house. plus . . . >> the basic human right is to have fresh water. >> reporter: native american tribes threaten lawsuits against the government after a spill of toxic sludge. and in sport, we'll have the latest from the final golf major of the year. we'll tell you how tiger woods is getting on. ♪ police in bahrain have arrested five people in connection with a bomb attack in july that killed two police officerman. the interior ministry accuses them to being linked to iran's revolutionary guards. the bombing took place outside of a girl's school. turkey's main opposition party says talks to form a coalition with the ruling party have failed. meetings between the prime minister and the chp leader lasted for just under two hours. the president has one more week now to decide on a coalition or call for an early election. live now to bernard smith. this is a big decision to be taken by the president or the parliament, am i right? >> reporter: it could, martine. but either way it looks like there is going to be an early election in turkey, probably in mid-november. the chp, the main opposition, secular opposition party, and the ruling party, they have been locked in talks since the inconclusive election results in june. then the party lost its overall governing majority, hence these talks. both sides have not been able to reach an agreement. it seems you have the secular chp, and the religiously conservative ruling party. the leader of the ruling party said they have quite good talks and thought they were coming together on a couple of points, but they weren't able to do so, and the leader of the chp says he didn't think the akp were ever serious about sharing power for a full four-year term. he thought they were only interested in a few months of power sharing ahead of new elections that they might then call. >> how far are those issues of national security that has been uppermost in everybody's mind, how far are these overshadowing the political talks to try to get some government in place? >> reporter: yeah, of course there have been increased problems on the security front and the economic front as well. the economy is struggling. on the security front the government is leading those increasing strikes against the pkk, that is an issue. but the economy has also taken a bit of a hit, the currency fell to a new all-time low against the u.s. dollar, and there has been a selloff on the stock market as well. a lot of businesses have been hoping there could have been some coalition agreement. but it's not to be, so elections coming up again. >> bernard smith, thank you. a pakistani military court has sentenced to death six gunmen for killing more than 150 people at a school last december. the gunmen entered the school and opened fire on children and staff. pakistan says it was its dead deadliest terrorist attack to date. this man has been president since elections in june last year. but there have been months of infighting between he and his prime minister over the division of power. donors have previously threatened to withhold a billion dollars in aid if these leaders fail to maintain stability. since 1980 they have undergone nine coups or attempted coups. our international correspondent says the president and the prime minister have a difficult relationship. >> reporter: i think the main problem is between the ruling party, where there are really many clashes, or many clans inside fighting one another. and the other part is our situation itself which needs to be reviewed, because we have a parliament and a constitution, which give force to the prime minister while in this frame the head of state wanted to have a final review in management of the country. so the country is really matter of burning concern because [ inaudible ] just coming from the round table of [ inaudible ], where the donors has promised to give more than $1 billion. so in this condition, for sure, they will postpone or wait for a lot of time. it will be a very, very very difficult, very tough time for the people, and for the economy of the country also. u.s. presidential con tender hillary clinton has handed her primate email server to the justice department. she has been under fire for using her private email when she was secretary of state. patty culhane reports. >> reporter: while hillary clinton was campaigning for president, her lawyer was talking to the fbi about handing over her emails and the private server she used during her time as secretary of state. clinton used a server stored in her home, and not a government account. she said she didn't want to carry two phones, but the move also made it possible for her to avoid handing over her correspondent to congress and journalists. she gave the state department just over 30,000 emails to review and release. her team decided which ones were work related. they deleted more than 31,000 personal emails, and they say wiped the server she handed over. >> data stored in general is harder to delete than people think. when you drop something in the trash or click the delete key the actual data isn't erased. >> there is no classified materials. >> reporter: she stressed that often. >> i am confident that i never sent nor received any information that was classified at the time it was sen and received. >> reporter: fwhu this letter an inspector general said two emails contained top secret information. the state department is trying to explain it as a problem with labeling. >> they weren't marked. >> reporter: but mishandling classified information is a crime, a serious one. the scandal is impacting her campaign. [ cheers ] >> reporter: long-shot candidate bernie sanders, a self-described socialist is now beating her in a new poll. and the majority of voters say she is untrustworthy. >> voters are pretty forgiving, and they are willing to put things behind them. and if there ends up not being much there, i think people will look at this as just another politic political scandal that the clintons are dealing with, and will get back to issues. >> reporter: the answer could have a big impact on much more than just her candidacy for president. u.s. scientists say the colorado river is showing signs of improvement after last week's toxic contamination. the head of the epa is facing criticism over the way the emergency was handled, and as our correspondent reports, the agency may be sued by those affected by the spill. >> reporter: the farmers of ship rock are angry. >> due to the fact that we are denied fresh water and access only to water with toxins, we are in a real crisis. human rights, the basic human right is to have fresh water. >> reporter: this chapter of the navajo nation rely on the san juan river for its crops and livestock. the animus river where the waste was first spotted runs into the san juan. the leak occurred on wednesday. the ship rock chapter was told thursday afternoon. >> they did not tell us any specifics as to how much waste was coming our way or what was contained in it. we apparently were supposed to do our own research. >> reporter: ship rock's livestock has to rely on one water tanker, circulating the 42 square kilometer reservation. as for the crops, there is the rain. >> it would have to come on a regular basis once a week. and it would have to be substantial rain to soak into the ground. >> reporter: or the season is lost. >> or the season is lost. >> reporter: the epa has released some test results. >> the levels have returned to preevent conditions. >> reporter: but the navajo are going to wait for the results of their own independent tests before they take the epa at its word. the epa has been criticized, but there is criticism of others too. this is the little town of silverton, it has long resisted a federally funded cleanup of its leaking abandoned mines, and was from here that the toxic waste entered the river. >> silverton's fears were based upon potential reduction in property values, and tourism. they would really like to mine, and there's also a real reluctance about having a federal agency take control. >> reporter: so for decades, just a few hundred meters from tourists, toxic metals were making a journey in the animus river. will last week's spill mean concerted action is finally taken, or will the epa take the fall, and things will return to pre-event conditions? the epa did cause this spill, but it did not create the problem. now to argentina where more rain and strong winds are expected in the buenos aires province, where a series of storms have caused severe flooding already. our correspondent reports. >> reporter: trying to ta take -- assistance to those cut off by the water. volunteer firemen are trying to help the people. experts say 35 -- sent meters of water fell in a few days. >> translator: i have never seen anything like this. last year something similar happened, but not like this. this is a disaster. >> reporter: thousands of people have been affected. at the university, 80 of them have taken refuge. we're told hundreds of others have been placed in other schools arrange the city. this woman and her daughter say they have nowhere else to go. >> translator: we lost everything. all of our belongings. we are trying to get clothes and food here, but i'm not sure how we're going to go on. this is the second flooding in the last year, the sixth in this the last four. people have been living in this university for almost five days and most have already been victims from flooding in this area in the past. that's why they are demanding more government action. the government says they have invested millions of dollars in the area. this man claims that more funds are needed to present the river from flooding again. >> translator: we understand that large scale development need to happen here. they need to broaden the river so it adjusts to the increased water levels. more precautions need to be taken, but that can only be done by the federal government. >> reporter: many affected live in the city's poorest areas near the river. they claim they cannot afford to move. they only hope that immediate action is taken, so the next storm doesn't force them out of their homes. still to come on the al jazeera news hour, the head of the u.n. mission in the central african republic is fired after his troops are accused of rape and murder. the u.s. comes under pressure to a free guantanamo prisoner who was cleared for release six years ago. and in sport, footballers from gaza get ready to play a team in the occupied west bank for the first time in 15 years. we'll have the details. >> i've o keep my voice down cause we are so close to the isil position >> who is in charge, and are they going to be held to accout? >> but know we're following the research team into the fire >> they're learning how to practice democracy... >> ...just seen tear gas being thrown... >> ...glad sombody care about us man... >> several human workers were kidnapped... >> this is what's left of the hospital >> is a crime that's under reported... >> what do you think... >> we're making history right now... >> al jazeera america >> i don't really know what's going to happen to me. >> oscar winner alex gibney's hard-hitting series, "edge of eighteen". >> i'm never going to apologize for the type of person that i am. >> facing tough challenges. >> we do feel cheated by the american university process. >> taking a stand. >> it's gonna be on my terms on how i want it to be. >> boldly pursuing their dreams. >> what did i do? >> the lives of american teenagers. hello again, you are with al jazeera, a reminder of our top stories. isil fighters in iraq have claimed responsibility for a bomb attack on a crowded market. at least 55 people were killed in a mainly shia district of the capitol. at least 50 people have been killed in a is series of explosions in one of the world's busiest ports in china. hundreds of people were injured and hospital were every whelmed. a court in cairo has sentenced four policemen over the deaths of 37 protesters in august 2013. they will serve eight years between them. pro-government forces in yemen are gains more ground from houthi rebels. troops loyal to the exiled president hadi, have taken six districts in the city of ibb. most of the south is now held by pro-government forces. they are being backed by saudi-lead air strikes. meanwhile hadi is on the way to the uae for talks. civilians in yemen have been caught in the cross fire in what the u.n. is calling an overwhelming humanitarian crisis. yemen is the poorest country in the arabian peninsula, with more than 21 million dependant on foreign aid. 13 million yemenese now don't have access to a reliable food source. stephen o'brien is emergency relief coordinator for the united nations, and he says the need for humanitarian aid in yemen has never been greater. >> i was able to see for myself, the terrible human cost that comes from this instability, which has been rev aging yemen now for far too long. the scale now needs to be upgraded to such a degree, that we need all hands on hand to be able to get the international ngo's the u.n. agencies with full access both to aden, but also to sana'a, and the other areas in yemen, which i have been able to see over the last few days, and it has been absolutely clear to me, whether talking to a little six year old who happens to be blind, standing in line with his mother waiting for food, they had been doing that from 6:00 am every day for the last two weeks. these are real human stories. 80% of the yemeni people taken across the country we have to be totally impartial in getting access to each and every one of them. and now is the time for me to really ramp up the interest at the security council in new york at the various capitols of the world where donors generously give, and we now need i'm afraid a lot more to meet these emergency needs in yemen. the u.n. secretary general has forced the head of the u.n. mission in the central african republic to resign. this follows allegations that peace keepers had engaged in the killing and sexual abuse of civilians, including the rape of a 12 year old girl. >> reporter: anguished, ashamed, angered. united nations secretary general ban ki-moon response after allegations that u.n. peace keepers raped a 12-year-old girl and were behind the killings in the central african republic. >> i believe particularly in the central african republic in the period before u.n. piece keepers, were deployed and since speaks for need to take action now. enough is enough. >> reporter: allegations of wrongdoing in the central african republic started last year when french troops were accused of sexual misconduct before the peace-keeping operation began, yet it still prompted ban ki-moon to create a panel to look into it. the official peace-keeping mission was then set up. it is made up of more than 10,000 troops and police from more than 45 countries. the spokesperson for ban ki-moon announced wednesday that there have been 57 allegations of misconduct by u.n. peace-keeping troops in the central african republic, including 11 cases of possible sexual abuse. that's a far higher number than what has previously been made public. u.n. paste-keeping operations started just three years after the u.n. was founded in 1945. to date there have been 63 missions around the globe. in the democratic republic of congo in 2004, there were allegations of sexual exploitation and are rape. in the 1990s, reports first came to light of u.n. peace keepers in bosnia and kosovo, of alleged human trafficking and prostitution. troops in haiti were accused of causing one of the largest cholera epidemics in modern history that infected more than a half million. and in rwanda, ban ki-moon said the u.n. was ashamed they could not stop the 1994 genocide where at least 800,000 were killed. and dutch peace keepers forced muslim families out of their compound, the males were rounded up and massacred in what international courts describe as a genocide. now with this latest scandal the world top diplomat stepping in to show accountability and change. let's talk a little bit more about this with mark goldberg, who is the man gauging editor of u.n. dispatch, an independent website covering u.n. activities, talking us to from denver, colorado. why is it that repeated, almost consist engineerly, u.n. peace-keeping missions attract these kinds of allegations of serious wrongdoing? >> i think fundamentally the problem is the ability of the u.n. to deter these criminal acts by peace keepers is rather limited, because the u.n. doesn't have criminal prosecutor toal authority over individual peace keepers, only the government has those authorities. so the most that ban ki-moon can do is to repatriate those peace keepers back that their home country. and it's up to that country to pursue criminal prosecutions. go ahead. >> i was going to ask you, how is a typical u.n. peace-keeping mission organized? we're talking with regard to car, we're talking 10,000 troops coming from 45 different countries. what is the command structure like? >> uh-huh. >> so the security council authorizes a mission, gives the mission a mandate. then the u.n. secretary general has to go around the world asking countries to contribute their troops to the mission. theoretically these troops operate under the u.n. flag and under a single force commander, but legally and statutorily, they are criminally liable only in their own country. a pakistani peace keeper accused of rape in haiti is prosecuted by pakistani authorities not the u.n. authorities. and the reason for this is member states don't want to put their own troops under a foreign criminal authority. like the united states would never contemplate the idea of an american soldier being tried by some u.n. panel, so the compromise they came up with, is that these countries have to pros -- prosecute these soldiers themselves. and not all countries are willing, able, or competent enough to prosecute these acts. >> what good does it do for the people of the central african republic to remove the head, what difference is that going to make? >> well, i think it sends a strong signal across the u.n. system. and that's important. i mean it might come of little relief to the individual victims of this crime, but you have to understand that the victims of the individual sexual misconduct act by a peace keeper are more than just the individuals who have experienced this. these allegations threaten the success of entire missions and in turn have profound and grave consequences for global security. this is why the secretary general is taking an extro ordinary step of removing the head of a mission. these missions -- their success or failure rests on whether or not the population that is being served accept the presence of foreign military soldiers on their ground. so these allegations really undermine the threat and the trust between the population that is being served. and that's why these allegations are so insidious. and these missions are operating in places that are generally just recovering from civil war, so a mission failure oftentimes means the return of civil war and increased physical threats to civilians under -- under just really intolerable situations. >> mark goldberg talking to us live from denver. thank you very much indeed. >> thank you. now lawyers for a man being held in guantanamo bay prison have accused the obama administration of endangering his life. he was cleared for release in 2009, but he has been on hunger strike for more than eight years, and his condition has been described as life threatening. rosiland jordan reports. >> reporter: the u.s. military has held this man at guantanamo since early 2002. in 2009 the obama administration decided that he no longer posed a security risk and should be released. but it's 2015 and he is still at guantanamo. his lawyer has filed a petition to force the u.s. government to release him on humanitarian grounds. >> they are fighting his case in court in order to win the authority to continue to hold him, despite having cleared him for release, and despite the president's often repeated public statements that he intended to close the prison as quickly as possible. >> reporter: he is not eaten voluntarily in more than eight years, and his weight has dropped to less than 34 kilos. his lawyers call it a life-threatening situation. and the case comes at a time when officials both at guantanamo and the pentagon have struggled to deal with detainees launching hunger strikes to protest their situation. officials won't say how many men are refusing to either being force fed, because they don't want to highlight what they call the detainee's political action. but the lawyer says he is trying to stay focused on his client's situation. >> they are force feeding a man so they can keep him alive despite the fact he has been cleared for release. >> reporter: officials won't comment, but stress they are committed, carrying out the president's goal of closing guantanamo. rosiland jordan, al jazeera, washington. the south korean government says it is monitoring reports that north korea's vice premier has been executed. the news see says he was killed by firing squad in may. several high-profile political figures have reportedly been killed this year. he was last seen in public in december. a group of separatist fighters want to be part of the political process now. >> reporter: the symbol has changed, much like the fighters who use it. this man was part of the armed group the tamil tigers who fought a 30-year civil war for independence in the north and east, today he is one of nine former fighters vying for a seat in the parliament. >> translator: we couldn't continue watching people suffering hardship. we fought for them. but the armed struggle was defeated. tamil leaders today are only looking at their own gains, not the people. >> reporter: the only non-fighter is a former editor of an outspoken tam ill newspaper. >> the commitment is there, but the struggle -- the way of the struggle has changed. it's a new track. >> reporter: a track that this group appears to have accepted as the only option. >> translator: after the war ended in 2009, there was no option of an armed struggle. the only way to protect our people now is to get elected as representati representatives. >> reporter: the lack of money, he says is one reason. the former fighters don't have the resources or the slick pr campaign of main stream political parties, but they say they have a deep and proven commitment to serve the tamil people. people's reaction to these candidates are mixed. some are welcomed as the best answer to a deteriorating law and order situation, while old fierce also remain. >> translator: people are scared. when you hand them a leaflet, they said the police or army way come after them. >> reporter: many say the emergence of an alternate voice is a sign of democracy in a region that has been at the center of conflict. ♪ still to come here on the al jazeera news hour. going green, the environmental friendly fuel that is sparking a cooking revolution in nigeria. ♪ and in sport, the world's two best golfers go head-to-head in the final major of the year. we'll hear from rory and jordan coming up. ♪ ♪ hello. there's a new type of cooking fuel in west africa that is claimed to be healthier and more sustainable than conventional ones. it's being produced by a start up in nigeria focusing on green business and renewable energy experts say it has point shall as caroline malone explains. >> reporter: at home this woman is using a new kind of cooking fuel that helps her breathe more easily. she is very glad to have found a biogel that comes from a sustainable source. >> if the end product is oxygen, then it will definitely be good for me. it means my kitchen and environment [ inaudible ]. >> reporter: the gel released carbon dioxide but is far less toxic than the fumes from car coal and wood. when plants grow they absorb carbon dioxide and release oxygen, that makes biofuels like this one, better than fossil fuels, which produce much more carbon dioxiddioxide. >> we could create a world that is green, that is green, and sustainable. that has helped my thinking in ways which i want to invest, and where i want to put my money to work, and the kind of legacy i want to leave behind. >> reporter: some other biofuels create ethanol from crops potentially denying people valuable food sources. to make green fuels more accessful they need to be produced from a resource widely available but less in demand. >> the amounts you will need for a truly sustainable solution for africa in the next two, three decades are very significant, and therefore it's important to start already now looking at such much more advanced fuel. >> reporter: the biogel is being produced in nigeria but also being sold in ghana and banine. it is selling to more than 350,000 households so far. cooks like eye screen have converted to the green gel with a promising future. all right. time for the sports news. >> thank you very much. golfs fourth and final major of the year is underway. it is taking place at whistling straights in wisconsin. four-time champion tiger woods is out on the course now. now ranked 278th in the world. he is playing alongside other former pga champions. he is even par after eight holes. thomas is stop of the leader board right now at 5 under. justin johnson is in earn contention, a shot behind. it is the same course where five years ago he was on the verge of winning his first major until he was giving a two-spoke penalty. jordan spieth plays alongside jack johnson and roy mcelroy. >> i still haven't accomplished that goal set at the beginning of the year, that i said i wanted to make the cut in all of the majors, and i wanted to contend and have a chance to win at least one of them. certainly they have gone according to plan up to this point, but that first part of that goal still has to be accomplished. so i have some work to do these first two days, and from there we'll work our butts off to try to get a third major this year, which would be a pretty cool place in history to be a part of. >> mcelroy has not played since the u.s. open two months ago. he injured his ankle while playing football with friends. >> i am looking forward to being a part of that group this year. i was a part of it last year. and jordan winning two of the majors this year, obviously gets me back into that grouping on thursday afternoon. so something i'm excited about. i knew i wasn't going to have a low-key return to the game, and this definitely isn't it. men's tennis governing body have fined [ inaudible ] for a comment he made to french open champion. he was caught on camera making a remark about the swiss players girlfriend. he had to retire from the match with a back injury and afterwards said the australian had major behavioral issues. nadal is through to the third round in montreal. he made his first hard court appear since march. beating his european opponent in straight sets 7-6, 6-3. >> not easy conditions today. a not of wind. a player who don't want to play a lot of points from the baseline. so we tried to play the points shorter, so was not an easy opponent to start. and happy the way that i managed the match. that game 5-4 with myself in the first set, the rest was very positive. to cricket, [ inaudible ] has put india in control of the first test against sri lanka. sri lanka eventually bowled out for 375, but the host's second inning hasn't started well, they have lost two wickets and trail by 187 runs. >> there is a second japanese pitcher to throw a no hitter in history. he struck out 7 and walked 3 in the first no-hitter by an american league pitcher in nearly three years. there is only one other japanese player to achieve the feet. [ cheers and applause ] gaza football team are getting ready to play a match against a team in the occupied west bank for the first time in 15 years. they are in hebron to face their opponent in the second leg of the palestine cup. they were given permission to cross israeli territory last week. they feel regardless of the final score, it is an historic victory for palestinian football. >> translator: this is the first victory in 15 years because the israeli occupation authorities separated the clubs. but now the palestinian sport is united. i hope the palestinian politicians will come together and unite. there is more sport on our website, that's at aljazeera.com/sport. mar fiend -- martine? >> thank you very much indeed. imagine you are on holiday, having a swim, and you come across this. that is exactly what a german teenager found when she was on holiday. app pair rengly the police saying if nobody claims the gold, the 16 year old will be able to keep it. not bad eh, for a day out? thank you for being with us here at al jazeera. coming up next, it's lauren taylor. ♪ that could be used to solve problems for people who desperately need it. >> they get exited about technology whether it's in their phone or in their car, so why is it so weird on their plate? >> something's going into food that shouldn't really be there. >> techknow investigates. >> you could not pay me to fake data. at least 55 people are killed in a bomb attack at a crowded market in iraq. ♪ i'm lauren taylor, this is al jazeera, live from london. rising death toll in china's huge explosions with at least 50 now killed and 700 injured. seven people are sentenced to death in pakistan for last year's attack on a school that kill 151 people. and argentina braces for more bad weather as floods force more than 11,000 from their homes. ♪

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