grand bazar. after decades of neglects, with an earth tremor, the roof could come crashing down. >> hello, fighters from the islis islamic state of iraq and levant say they are behind a bomb in a market which killed 55 people, 200 more are injured. we have this report from the iraqi capital. >> reporter: in the blink of an eye the scene turned friday mundane to murderous. a truck packed with explosives blew up in a crowded vegetable market. the predominantly shia neighbourhood is one of the capital's densely populated. some searched for survivors, others found the dead. because the early morning attack was planned to maximise civilian casualties, many knew it would be the work of i.s.i.l. it was the third attack in as many days. arguing how tenuous the situation is. i.s.i.l. attacked two other areas. dozens were killed, dozens injured. attempts to deepen sectarian lines at a time when increasing numbers of iraq were demanding the government work together. fed up with a lack of basic services, tens of thousands have been demonstrating against corruption. calling the leaders who passed sweeping reform proposals. >> protests were planned for friday. it's unclear that the attack may affect the turn out. especially here, which has experienced a reminder of the security crisis in the country well, the blast is one of the biggest to fight baghdad since haider al-abadi took office. attacks escalated as government forces moved to move the group out of its stronghold in anbar province. monday, 58 were killed. a market attack in july killed around 50 people. many of those killed were women and children gathering to mark the end of ramadan. according to the united nations 15,000 have been killed in iraq since the start of 2014. the charity of contemporary studies says that the attacks is struggling to control the situation despite coalition assistance. >> the blast in the last few weeks has been able to attack not only one particular theatre, but all over iraq -- the heart of the iraqi capital. the target is the same. we know that i.s.i.l. has a genocide ideology. so it could be shia sunni all-out war. the fighters have done well for the iraqi government, and in the words of the top american general who said basically that the united states might have sent ground troops in order to save the day. the war, basically a stalemate more than a year after the establishment of d.a.e.s.h. or i.s.i.l. >> the bodies of 68 yazidi killed by i.s.i.l. have been buried at a sacred site near sinjar mountain in northern iraq. the remains found near three mass grades. thousands trapped on the mountains, the yazidi were killed after refusing to convert to islam. thousands are held prisoner by i.s.i.l. fighters. now, seven people have been sentenced to death in pakistan over a series of attacks, including an assault on a school killing 150 people, most children. eight persons will spend life in prison. >> reporter: the attack on the army public school in craig berube was not the first time a place of learning had been targeted. the scale of the assault in december, which killed 151 people, most students, shocked pakistan and the world. it led to protests in many cities, and the government reacted by announcing measures aimed at combatting terrorism. these are the seven men that carried out the attack. they died in the sport. now pakistan's army confirmed the death penalty for several other men linked to the attack, tried behind closed doors by a military court after the pakistan parliament amended the constitution to allow the court to try terrorism suspects. the men were charged with collecting or transporting or harbouring suicide bombers. following the assault pakistan's government lifted a 6-year moratorium on constitutions and hung 180 people kamal hyder has this update. >> several have been sentenced to dead, including the perpetrator on the attack. also, one of the papers were in the attack on the minority in karachi. one of the attackers who are found in india was given a lighter sentence of life imprisonment. all is happening. if it scores, military courts were, indeed those committed. and the military courts had the jurisdiction to try the jurisdiction. the military have the right. those in pakistan are in favour of the penalty, and they want the military to be a speedy trial, it would demand the people. moving a special amendment in the constitution. there is support on the ground. they would be criticizing the mood saying the death penalty should be abolished. >> a death toll from a huge explosion rose to at least 50. as many as 700 people are injured. 36 firemen are injured. makeshift towns are set un to house those forced out of their homes. agent brown has more from the site of the explosion. >> the heart of one of the important economic hubs torn apart by multiple blasts. >> fires burnt throughout the night. there are explosion on thursday afternoon. as a pool of toxic smoke billowed across the city. with locals concerned not for the first time about the air they are breathing. >> we are very worried about chemicals in the air. we are worried it could be toxic. close to the epicentre of the explosions. the scale is difficult. survivors must comprehend what happened or why. >> i thought it was a gas explosion. my bedroom walls mitt by a shock wave. >> reporter: others thought it was an earthquake or nuclear explosions. windows were shattered in homes 2km away. flying debris sliced huns dreads of vehicles. temporary housing for migrant workers bore the brunt of the blast. >> this is a workers dormitory. it's been shredded. it bore force to the explosions. people here are lucky to get out alive. the number of dead have been committed to rise. many were firefighters. hundreds were freed in hospital. caused by cuts and flying class and concrete. >> my first reaction was to run. i heard another blast. i got blood all over my body. blasts were caused by chemicals. close to where thousands of people live. an investigation into how that was possible has begun syrian city regained access to water after being cut off for three weeks. supplies were cut to the city. the al nusra front closed the situation. >> residents were treating untreated water. half a million are struggling to receive enough water to survive. reports are emerge of course, turkey is starting to build a wall. it's designed to stop fighters and refugees crossing that border an egyptian court handed gaol time, protesting in support of the ousted president. they'll serve a total of eight years between them. >> reporter: august 2013 and death is a regular occurrence in the streets of cairo, it's been months since the first democratically election president was toppled by the military. they struggled to protest security forces. some look for the names of family members, bashed to death. most of us killed in the van are identified as supporters. rounded one when a pro-mursi group are killed. arrested by mistake, jammed into an overcrowded space. police say the prisoners were rioted. the van is sealed. the prisoners suffocate and die. the officers in charge of the convoy is captain farr music. >> my brother was travelled to the prison. it was attacked, and we don't know what happened to him. prisoners were killed. we were told many were killed. we came to the morgue and checked. >> in march 2014, captain farouk is sentenced to 10 years in gaol for the manslaughter of the prisoners, three other officers get suspended sentences. it's the first time since pt ousting of president mohamed mursi. they protesters are tried. outside the court violence breaks out. the captain's sentence is quashed on appeal. this latest verdict is igipt's highest court. it is final and can't be appealed. still to come for you on al jazeera - we tell you about the video that had soldiers put behind bars and shock an american nation. >> a cooking fuel better for health and the environment, in africa. stay with us. practices pass >> al jazeera america primetime. get the real news you've been looking for. at 7:00, a thorough wrap-up of the day's events. then at 8:00, john seigenthaler digs deeper into the stories of the day. and at 9:00, get a global perspective. weeknights, on al jazeera america. welcome back. you are with al jazeera, live from london. let's update you on the stories we are covering. 55 people have been killed in a bombing in a crowded market in the sadr city district of baghdad. this is the third attack by i.s.i.l. in as many days. a military court in pakistan sentenced several to death for their involvement in an attack on an army-run school in peshawar in december. 150 were killed, most children the death toll from two huge explosions in an industrial area has risen to 50. in other stories, the world health organisation suggested it could defeat the ebola virus by the end of the year. the inspector general of the w.h.o. margaret chan made the comments. she warns that one new case can again ignite the flare-up. a deadly disease erupting in west africa, affecting 30,000, killing more than 11,000. >> if the current intensity of cases are sustained, the virus can be tweeted by the end of this year. that means going to zero and staying at zero. >> five guatemalan soldiers are behind bars, accused of all thing a young man. it has been posted online and leads to questions on civilian policing. david mercer reports. >> reporter: an abuse of power captured on video, guatemalan soldiers beat two young men, it was rumoured they were delinquents and the soldiers warned that this is how they were trained. the video went violent. others were shocked by the bar barity. guatemala sn authorities launched an investigation. thursday the soldiers were arrested and brought here. in the coming days they'll face a judge over the use of authority. for more than 15 years they helped with civilian policing. police have been unable to curb voilt crime and the president a retirement general ordered more soldiers on to the streets. analysts says that puts guatemalans at risk. a guatemala accord states that controls are under command. >> it's worried in the video we don't see police officers. police are trying to serve the community and guarantee the safety of citizens. soldiers don't have specialised training to carry out this work. military officials are quick to highlight the role and support they receive at home. community leaders in the town signed this document asking that the army continued the patrols. >> we think this is an ite incident. we are guarantees of institutions and we are here to help ensure the safety of the citizens. some say they should be released. at court will now decide if these men went too far elsewhere in the region, labour union, indigenous communities and civil society groups staged a site on thursday. they are marching on the capital. they demanded the resignation of the president. >> reporter: protesters are gathered in the center. many of them indigenous groups travelling for 10 days to come to the tap call. they'll be joined later in the doctors.rker's unions, teachers they have different grievance possess. some have deductions, other ones better, education, and to be able to manage the land and water. supporters of the president are gathering at the same time. the palace, in support of the policies. the president enjoys a strong population in half the country, still approving of his processes after 8 years in office. they want the government to shell the fans, to amend the constitution that will allow the president to run for a fourth term. the president has said that any violence will be retained, and he has said that this strike will be a failure great politicians are due to vote on a bail out agreement pledging tax rises and spending cuts in exchange for $85 billion euros. the government needs the money to make a debt payment. >> john reports from the capital. >> this has been a time for unpopular bills to pass unnoticed while people escape the city's heat. the first bill implementing spending economy bringing out parties to the left of syriza. hoping to cultivate the disappointed voters. chief among them the communist party labour union. >> translation: i don't think the measures can be implemented. people can't pay more taxes unless we are homeless and ate at soup kitchens, shut down schools and hospitals and let people die. i discovered a kidney medicine is out of stock. i don't think more measures can work. >> reporter: inside the chamber the government defended other aspects of its policy, such as the 28 billion allowed to keep the financial system from collapsing we had a huge debate. we did have a with the institutions. we'll have to discuss in october, and hope to compromise. the sparks flew. syriza were accused of creating more debt. >> why do we need 25 billion euros, a stress test sho no recapitalisation was needed. we had a buffer of 11 billion, which you gave away and were locking for it and wondering who is to blame. the build provides impetus to growth. it enables trouble businesses to enterbankruptcy protection. and gives the government bigger teeth to go after tax evasion, and tightens the screws on public spending. austerity trends deepening skills still to come. >> it also ends early retirement. the former social welfare minister says pensioners will lose $3 billion this year and next. >> syriza faced down creditors that it held to election promises, and presented a majority of opinion. syriza's about term produced a change in politics. more than 60% of the popular vote is against austerity, the majority is against it, creating a political market and instability a new-type of cooking oil is being promoted by a nigerian manufacturer as better than the environment and people's health. it is available in west africa, but many believe it has big potential. >> at home in lagos, at home in lagos, his woman is using a new cooking fuel that helps her breathe easily. she suffers asthma is is environmentally aware and is grad to have found a gel coming from a sustainable source. >> if the end production is oxygen, it will be good for me, which means my kitchen and evironment will be good, which gives life. >> reporter: the gel releases carbon dioxide but is less toxic than the fews produced by burning wood and charcoal, using the leftovers of sawdust and mills that would go to waste. and a hyacen weed that is a fast-growing plant. they absorb carbon dioxide and release oxygen, making biofuels better than fossil fuels that release carbon dioxide linked to global warming. >> it releases so much that we could create a wand that has helped my thinking in ways by which i want to invest, and where i want to put my money to work, and the legacy i want to leave behind. some other biofuels create ethanol from crops, denying people food sources. to make clean fields accessible they need to be reduced. like the sawdust used by nigerian start-ups. >> the amounts you will need for a sustainable solution for africa in the next 2-3 decades are significant. and, therefore, it's important to start already now looking at such - much more advance fuel. >> the bio gel is produced in nigeria, and sold in ghana. it requires a special stove costing the equivalent of $14. a litre of fuel costs $0.05 and is selling to $350,000 households. cooks have converted to the green gel with a promising future a grand bazaar in istanbul is nearly six centuries old. hundreds of thousands walk through it. the roof needs repairs and may come crashing down. bernard smith reports as part of a series on preserving global heritage. >> reporter: above the half a million shoppers and tourists walking through istanbul's grand bazar, emergency welded supports is all that is stopping the ancient roof crashing down. decades of neglect and water damage left brickwork crumbling. istanbul's chamber of architects is shocked by the danger the roof poses. >> translation: right now safety is at stake. istanbul is in an earthquake zone, are expecting a quake, we don't need to wait for a quake, it could collapse at any time. the building is barely standing, and reinforcing measures taken obviously are not enough. >> a few days after our interview, a torrential rain storm exposed how vulnerable the roof is. the roof of the grand bazaar was covered with led. but 30 years ago in a botched restoration, the led was stripped and replaced with tiles and cement. this man represents the grand bazaar's traders. he admitted it's a wonder the bazaar has not gone up in flames. >> we had our own small firefighting team. these days fires can spread rapidly, igniting at night, in these structures. if that happens, we don't have pipes to circulate. we need chimneys and smoke detectors. >> reporter: the renovation work should begin by the end of the year, two years behind schedule. it's been slowed down by bureaucracy and the fact that the business has a say in the prospect. >> when the renovation works started, it takes 5 years. until that work is finished, trade is taken, and the only hope is that there'll be no earthquakes. for 560 years, deals have been made and bargains struck in the grand bazaar. if the repairs are delayed for longer, it will be the traders and the city's cultural heritage that pay a heavy price. in part 2 of the global heritage series on friday, in we are in the west bank city of ramallah, where the burial place of christian st. steven has been discovered before we go, a postage stamp unveiled in the united states, honouring the king of rock'n'roll, elvis presley. he died in 1987 and will be the best-selling artist of all time. meet troy, the dog who may have saved his master's life >> numbers ling up against me zzling up against me. researchers put them to the test under laboratory conditions. >> dogs can identify any kind of cancer sample?

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