scenes of utter devastation in nepal. the death toll inches higher the flow of aid is still slow. welcome to al jazeera, i'm jane dutton live from doha headquarters. also ahead - saudi-led air strikes target houthi positions in yemen. the crisis there is said to top the agenda at the meeting of gulf foreign ministers. we take you inside the nigerian town boko haram once controlled, where hundreds were killed.

plus... >> i'm scott heidler in vietnam. 90 million people of this nation are celebrating 40 years since its reunification and the end of the war. some to this day are suffering from the dark legacy of agent orange. we begin in nepal where thousands of people are still in straight need of aid five days after devastating earthquake 5,490 are confirmed dead. nor are missing. bad weather is baking the search and rescue harder. this was the scene in kathmandu. police saying a power shortage means they haven't used heavy equipment. there's a shortage of helicopters. nepal's government is appealing for more. people are desperate to get out of some areas. and one case swamping a team trying to fly out.

many don't want to stay in the capital. thousands queueing at a bus station to get out. they are worried about aftershocks and the spread of disease. hospitals are struggling to cope with the number of in john howard. we go to our correspondent in kathmandu. >> i'm at the main military soft in kathmandu, this is where the civilian injured are arriving. they are divided into red, yellow and green. now, behind me in the green building is the red zone, we can't go in. we can't show images of doctors trying to resuscitate a child found buried in the rubble. his mother has been recovered,

he spent three days under tops of debris. they just managed to get him out. also in the war, members of the public civilians outside the kathmandu area who have major injuries fractured bones, open wounds and had to have certain operations and the liver or kidney has been damaged. here outside doctors and nurses are looking after those with minor injuries and since the earthquake happened there has been figures of injured over 300, it's less than 50 injured survivors coming into the military hospital each day. doctors near fewer will arrive as the days progressed. >> there has been a rare moment of good news a teenager pulled alive from the rubble. the 15 yield was trapped since the magnitude quake hit five days ago. it's a moral boost for workers

who are searching for survivors. we have more. >> reporter: it was an agreementic rescue that happened. a 15-year-old boy was found alive in the collapsed rubble of a building. aid workers worked to save him. they did. onlookers cheered when the boy was pulled from the rubble. he was dazed and whisked away. the prevailing mood is one of resignation. we talked in the last few hours about how the rescue is a moral boost for such a devastated group of people, especially in kathmandu. there has been bulldozers and aid workers digging by hand

through the rubble trying to find bodies. i spoke to an officer a short while ago, and he said he was unbearably sad because they believe that this is only going to get worse. fact of the matter is be have been told by officials that they believe there's dozens of bodies under the rubble here. that's just at this site. the numbers, estimates of how many may have been found to be killed. mean believes it will rise dramatically. that is why everyone is so worried, and concerned that there'll be a humanitarian crisis, and it will get worse in the weeks ahead to yemen - yemeni government says backing from iran is giving them an edge. al jazeera's correspondent reports one official says there's proof the iranians are on the ground. >> reporter: this is what forced

hundreds of thousands of people from their homes. intense fighting between pro-government groups and the houthis along with loyalists of the former regime. >> this area is west of the airport in the southern port city of aden. people who live here say houthis and militia men took their homes, accusing them of placing heavy weapons in the areas. >> translation: they took over the civilian residences and shell places they know women and children gather. most children fled. a few are left. the houthis shelled homes and robbed the people. >> reporter: tribesmen in another district of aden say they are under constant sniper fire by the houthis. yemeni said the houthis are backed by iran and hezbollah. something denied. >> this is all lies.

they have never got anybody from iran or hezbollah. they use the propaganda, making it look like the war is between sunni and shia. it is not, it is between the yemeni army. >> reporter: the yemeni foreign minister says there's proof. >> let me tell you the yemeni minister of defense has been kidnapped in an operation led by an iranian. >> the saudi-led coalition is bombing targets under houthi control. the strikes and the blockades are also worsening the humanitarian situation in the already impoverished country. the war in yemen is set to dominate a meeting of gulf foreign ministers. we do to the saudi capital. >> g.c.c. leaders will met on 5 may. these are the foreign ministers

meeting on the air base on the outskirts of rye ard. yemen is on the agenda not just because yemen has air campaigns going on in the first place, more than a week ago, and now the air strikes are continuous. objectives are yet to be achieved. it's a big concern. foreign ministers discuss that point. it's a preparatory meeting. and this is about ner preparatory meeting. leaders, when they met, will discuss their points later on 13 may with president obama when they met him in camp david in the united states. and a major point in the discussion with the u.s. president is iran and the concerns in the minds of g.c.c. leaders and their role and

agreements framework agreement on the nuclear issue. g cc countries are concerned that iran may be given a leeway through the agreement to go ahead and continue its nuclear proliferation policy and probably be given, you know the opportunity to interfere in the affairs of the region. they want from the u.s. president to give them reassurance that that will not happen, that iran and the u.s. will be here to protect allies in the gulf the nigerian army rescued more women and girls from a boko haram stronghold. the exact number of people has not been specified and it comes a day after the military claimed it rescued another 293 girls from the forest. >> they were hostages in the forest against their will.

there's nor information from our intelligence. at the moment they have been moved out of the forest. trying to seek relief from the trauma of living in the forest for that long. additionally the operation is not on. there's heat in the forest. a fast portion to be covered. and a lot of effort much is on in the forest. >> al jazeera has been given access to a town in northern nigeria, abandoned by boko haram. pushed back by kurdish forces work to clear the group from the area, an area destroyed was damn ask. we have this report from ahmed idris. >> reporter: this is a town of damasak in nearby nigeria.

hundreds of bodies have been found there. >> reporter: this is the town of damasak in the north-east. boko haram fighters occupied this down and killed many civilians. soldiers and residents say 200 decomowesing bodies were removed from here. more bodies on the streets and in homes have been bur ride. >> translation: this is where the executions took place, where civilians were executed. bodies were taken and buried. >> reporter: survivors say the occupation of the town was brutal. >> translation: when boko haram was here, we couldn't go even to the market. we were like prisoners. people that fled are returning, because the city is safe. >> reporter: this is the reality authorities are waking up to after boko haram fighters were pushed out by nigerian troops and their partners from niger and chad. coalition troops have been in charge for more than a month. damasak was a largely deserted town.

the battle to recapture the town was fierce, coming at a cost. >> translation: we were faced with a lot of resistance. we lost men and managed to clear the zone. today civilians are starting to feel safer. and coming back to the homes. having said that. the mission wasn't to stay and protect the city. nigerian forces should be coming to take control. they haven't come, so we are here. >> reporter: the threat remains, as troops continue operations in the north-east. >> reporter: the nigerian army launched a raid on the hide out. they rescued 293 girls and women. >> reporter: despite the military victories, boko haram fighters retook some areas liberated by the army. an indication that the boko haram threat is ever present

more to come here on al jazeera. why working 12 hours a day, seven days a week is not enough to pull some south africans out of poverty. we visit a neighbourhood of baltimore, where the entrepreneurial spirit is creating more than just jobs. jobs.

you're watching al jazeera. here are the top stories, the u.n. launched 415 million appeal for aid in nepal, saying people

in rural areas are in desperate need of help. the nigerian army says it rescued more women and children from the forest. the exact numbers are not specified. 293 women and children were rescued from the boko haram stronghold this week. battles on the ground in yemen are escalating rival forces fighting for control. conflict is expected to be the focus of a gulf small it taking place in riyadh. >> south africa's president jacob zuma will address who he scroobz as the route causes of attacks. including unemployment immigration and poverty. charles stratford rarpz. -- reports.

>> reporter: this man has five brothers, parents and three children to support. he's the only one in the family with a job. he works 12 hours a day, seven days a week as a security guard in a johannesburg neighbourhood. he lives in the township of alexandra, a poor area of the city. >> translation: life is very rough. more than 40 of us share a toilet and a tent. the $300 a month is not enough to support me and my family. >> reporter: that works out to be more than $1.25 a day, putting him above the extreme poverty line, according to the west bank. world bank. with all this attendance and the rising cost of living, he can't afford to feed himself. he can't afford public transport either. every day he has to walk three hours to and from work. a world bank report in 2014 says half of population live in townships or informal settlements like this one. the report goes on to say

places like this are home to 60" -- 60% of the unemployed. some of the worst violence against foreign migrants happens in neighbourhoods like these. the government says it will tackle what it describes as the root causes of the problem, poverty and unemployment. analysts say the government failed so far. the numbers of people unemployed is higher than 1994, the end of apartheid. the level of protests is increasing, whether we are talking about strikes or community protests the trend is upwards. the basic problems are not being addressed by the government, which is unpopular, out of touch with ordinarily people. >> inock describes how he feels when he walks through the neighbourhood in which he works. >> i know the people we work for are rich. it's painful to return to my place in alexandria. i have no choice, it's a better life than a life of crime.

>> for him and others like him, a change in post-apartheid south africa is yet to come a u.s. diplomat is in the east african nation of burundi to stop unrest escalating. protests are in the fifth day beginning when the president announced he'd run for a third term. it's the biggest political crisis since the civil war in 2006. malcolm webb is in the capital. and there's no sign that the protesters or the president will back down. a car was destroyed. they say it belongs to a member of the youth wing and he had a gun. they are described as a militia.

the government denies that they are here. two prominent opposition politicians said they will not take part in june's elections if the president is running, because they say that moons the election will be -- that means the election will be meaningless. syrian forces hit parts of idlib and alebo. the government lost key parts of idlib to rebels last week these women and children appear to have been held by rebel groups that syria since august 2013. there are about 90 of them, and they are alleged to have come from the government stronghold. rebels say they want a prisoner swap. prisoners are filmed. please, go quickly to negotiations. rebel fighters made progress through idlib province, and

towards the area. the government retaliated with barrel bombs on districts filled with civilians. there's a new alliance of groups including al nusra front, gaining ground in idlib. >> they were not prepared. we estimate numbers 15,000. they have been working for access. and using a double tactic. one of them warfare with suicide. the other, like a classical army. tanks vehicle. >> the government intensified their attacks. once a financial capital, rich in business and a history reduced to rubble. outside the capital, people are

vulnerable to attacks from the government. forces have the advantage of air power, even in areas where they lost on the ground. >> 60 people have been arrested at a rally in new york. they were protesting against the treatment of a black man who suffered a fatal spinal injury in police custody. freddie gray died in baltimore this month. a nightly curfew has been involved after a series of rye o.s the unrest in baltimore brought some of the underlining issues into the spotlight. one is few black people own their own business as gabriel elizonda reports. >> reporter: this person is teaching young people to print designs on t-shirts. in a rough neighbourhood of

baltimore he runs a programme not only about making programme, but keeping kids off the streets. and hopes that some day they'll become business owners themselves. as many as 30 young people are part of the programme at any one time. he tries to set an example, he owns a store based in the community that many of the kids are from. >> our goal is to help empower the young people because of resources they can. so they can provide for themselves and then their communities. >> reporter: six out of 10 that live in baltimore are black. three out of 10 businesses are owned by black people. a study looked at data and found areas with african-americans were increasing business ownership, there were positive results beyond the business bottom line. the growth of african-american business was strongly linked to a reduction in black youth violence, and there was a host of reasons for it primarily because black business owners are seen as role models in the community.

>> it creates jobs and opportunities. >> omar direct the entrepreneurial development center at morgan state university. >> reporter: what are the key challenges african-americans face when opening a business. >> having access to resources. access to capital is big, whether it's from family, friends - some say fools - or a venture capitalist. >> people do not want to be seen as living in a hopeless blighted part of town that needs outside help to improve. >> we need investment in the community's capacity, instead of having many of the government agencies and nonprofit trying to manager disaster, that's what they are doing, managing disaster, and the data produced on the outcomes have not been transformative. that is why they learn, in hopes of owning the stores they might want to shop in. vietnam is marking 40 years since the end of the war and the reunification of the country. more than 6,000 soldiers and

veterans prouded through ho chi minh city former asaigon, the capital of south vietnam. the fall of saigon marked the final end of america's decades-long involvement in the country. 75 million litres of toxic chemicals were dispensed by the forces it vietnam. many are lying with the leg as -- living with the legacy of that contamination. a warning that you may find images in scott heidler's report distressing. >> reporter: tu was not alive during the war that carries his country's name, a war that ended 40 years ago, but the effects robbed the 7-year-old of a normal life. more than that, it will kill him. like it killed his sister. she was seven when she died from the same blood disease they both suffer from.

his father works at the da nang airport, a site where planes were loaded with agent orange. it contains dioxin, causing birth defects, cancer and other diseases, which can be passed on from parents. >> translation: i wish the u.s. would fully decontaminate where agent orange were sprayed. we suffered from this. i don't want it for future generations. >> reporter: there are a few reminders, like this museum courtyard. the dark legacy is clear and distinct. those working with agent orange victims are focussed on limiting the effects of dioxin in a fourth generation. >> translation: with the first generation that served in the army they got cancer and died. their children were sick if died. the third generation, they know about agent orange, they don't have children. >> reporter: they want more to know about the impact of dioxin,

and expand early detection with technology, like using ultrasound machines during pregnancies. some of the agent orange was stored and loaded at a military base in da nang. a so-called dioxin hot spot, the site of the commercial airport. the first american-funded clean-up began three years ago. a hugely complex process. it superheats the soil in a massive furnace. a touchy subject for the americans. they dispute the figure that 3-4 million vietnamese have been affected by the chemicals. >> what for vietnamese are one of the biggest concerns, environmental pollution. cooperation is hitting this historical legacy. in terms of dioxin, there are other sources in vietnam. >> reporter: regardless of the source, the current generation's suffering is focussed on survival. >> translation: the thing i want is the goodwill of all people,

and to do everything medically like blood transfusion to keep it alive. >> reporter: the medical needs intensified. tu undergoes two transfusions a week. his mum hopes future generations see the legacy come to a close. the family lives day to day. pakistan's forests are shrinking because of illoging. one province started a -- illegal logging. one province started a tree planting effort. >> reporter: pakistan is a large country. less than 5% is under deforestation. coupled with the fact that the conflict in pakistan encouraged the mafia to chop down the forest in key areas where the country had the resources. because of the threat of climate change the province has come

out with an ambitious plan to plant up to a billion trees across the province. the plan takes four years to implement. the gunmen set aside 15 billion rupees, about $150 million. it will encourage local nurseries to earn more money, because the government has given them a target to grow more and more trees. >> translation: this initiative of tree plantation by the government will not only boost the business of nursery owners but will bring more and more people to invest. >> reporter: the government is encouraging local farmers to plant trees, in order to grow more and more trees across the province. >> it will change climatic problem. first, the main thing with the plantation of the 1 billion trees, it will change the erosion in our province and in

our country. if the plan is successful it will change the ecology of the region and minimise the effect of climate change just want to remind you about our website. that's the address there. at the bottom of the screen. aljazeera.com. jazeera.com. >> baltimore bracing for more unrest as new allegations emerge about what may have led to freddy gray's death. >> we can't breathe! >> the protests spread could say the country. dozens arrested as more americans rally in solidarity with baltimore. >> rescue workers find a teenage boy alive five days after nepal's earthquake. we'll speak to the head of the