on, i'm ray swarez. >> the u.n. security council is to debate a resolution on yemen, russian calls for a ceasefire are rejected hello, welcome to al jazeera, live from our headquarters in doha. i'm elizabeth puranam. also ahead - u.n.i.c.e.f. says 800,000 nigerian children are running for their lives from boko haram, a year after the chibok kidnapping florida senator marco rubio

steps up to be the first cuban american to win the white house. the fourth major candidate to declare a handwritten manuscript by a british scientist who cracked the enigma code in world war ii fetches a million dollars. the united nations is set to discuss the crisis in yemen. it demands the houthis stop fighting and withdraw from their positions. the resolution calls for an arms embargo and sanctions against the rebels but russian demands for a ceasefire have been rejected a professor of political science at the university of richmond in the u.s. and a yemen specialist says the draft resolution is bias and doesn't go gar enough. >> it's so one-sided.

it has to be - i mean a bit ludious, because it calls on the lleyton hewitt -- houthis, who should stop fighting. people are suffering at the hands of houthi militia, but does not call for a cessation of the environment from the kingdom of saudi arabia. so in a genuine u.n. resolution calls for an overall first-off humanitarian ceasefire to allow medical supplies and food to get to communities that it suffered under the bombing, and secondly would attempt to negotiate or declare a full-fledged ceasefire. >> with growing concern over the impact of fighting on the oil and gas industry, the natural

gas exploiter said they will have to stop production and evaluate the staff. those fears are echoed further north. alexi o'brien reports. >> tribal fighters 500 meters from the front lines. thousands of men have been on high alert. there has been daily skirmishes for months. >> we will win. as you can see, we are everywhere on the front lines. the situation is solid and situations strong. we have a border guard and the will of the men here. >> they call themself popular resistance committees and support abd-rabbu mansour hadi. so far the houthis have not been able to take control, and the fighters want it to stay that way. it's home to the bulk of yemen's oil and gas resources and

control of the region would be a victory for the houthis and allies. >> we are defending our land and the family. we did not exercise aggression against anyone but our enemies did against us. they'll be defeated the tribes are backed by the yemeni army and the saudi led coalition, weapons are not as good as the houthis, who are said to have looted the camps. >> we need to increase pressure on the houthis in the south, and every front. there are volunteers like us in other places. >> reporter: the fighters move off to protect another section of their front lines, there's fears escalation could damage vital oil and gas supply lines, pushing yemen closer to economic

collapse there has been protests outside the saudi embassy in tehran calling for an end to the air strikes. iran is an ally of the houthi rebels. riot police were on hand to monitor the process. >> to other news - 800,000 children in nigeria have been forced to flee their homes from boko haram. the findings from a u.n.i.c.e.f. report to mark a year. another report by amnesty international said 2,000 women and girls have been abducted since the start of 2014, adding that children are forced into marriage sexual slavery and trained to fight. 5, 500 civilians from killed as boko haram swept through villages and towns across north-east nigeria. so far u.n.i.c.e.f. says it received 15% of the

$26.5 million needed for operations in nigeria. in abuja, campaigners wore tape in a silent vigil for the kidnapped girls, indicating the voices of the 200 girls that were abducted. there were some that managed to escape. >> reporter: they don't want to talk about the night they were kidnapped from their school. they want people to know how they are going now, a year later. first, a message to 200 school mates that couldn't get away from boko haram that night. >> i will just pray for them, that there is hope that one day god will set them free from the hands of the boko haram. >> reporter: these girls escaped from the fighters by jumping off moving lorries in north-east nigeria. the armed group raided the

school and abducted them. the reason they don't want their faces shown is to protect their families and other girls in school in chibok. they say they need everywhere to know that they don't see themselves as victims, not any more, they plan to go back to chibok stronger than ever. mary wants to heel people. >> i want to be a medical doctor to go and build a clinic and help those. >> reporter: the american university of nigeria is in the north-east. they are safe here, unlike in chibok. they have access to some of the best facilities paid for by well-wishers. >> everything here is different from there. we don't have these. teachers say watching the girls

grow confident is an amazing experience. >> i started to see a determination to succeed. that they'll make the best ot of this tragic situation and turn it into something positive. >> the birls say they are doing well. they have not forgotten the missing girlfriends, and they are not going to let what happened define the life. >> the message is the brave and courageous - have ambition. that you are great, and made to be a great person. >> reporter: they said the next time you see them they'll be graduated u.s. senator marco rubio announced he'll seek the republican nomination for president. the senator from florida is the latest to join the presidential race and the youngest at 43 years old. he hoped to make history by becoming the first hispanic

president. >> i parent achieved what came to be known as the american dream. the problem is now too many americans are starting to doubt whether achieving that dream is possible. hardworking families living pay check to pay check, an unexpected spence away from disaster. young americans, unable to start a career business or family. there's thousands in student loanses. and small business owners left to struggle under the weight of taxes, regulation and government. in is this happening. in a country that for over who centuries has been defined by opportunity. >> people and economies are pushing the boundary. too many leaders and ideas are stuck to the 20th century

we poke to a professor from ohio and let's hear what he thought of rubio's announcement. >> this was a fantastic speech unfortunately it was delivered by marco rubio. i think it was a template for what republicans - this is like a republican obama speech. his story about where the family came from, how hard he worked. unfortunately he stumbled throughout the speech. his mouth felt like it was built on so theon. >> how important jason, is the hispanic vote to the publicins, and do you think that rubio would be able to see those that usually vote for the democrats. >> i don't think it's all that likely. the important thing to remember in the united states while it's called the latino vote there's

a difference between cuban americans, guatemala americans and others. cuban americans vote republican latin americans and other latino vote democratic. i don't think marco rubio has much of a chance with them and whether or not he'll be in a position. i think he'll have difficulty eking out a poly space. what about the chances against the republicans who put their hat in the ring. how does it prepare. >> clearly he learnt the lessons of the two previous presenters. ted cruz's presentation was not only poor and not particularly engaging but we found out that people in audience forced to attend to the announcement. rand paul's presentation was poorly done. he had bad video. he seemed interested.

marco rubio had the best job of anyway gas that did a live announcement. >> if that is a symbol. him running for the republican nomination between u.s. and cuba. he is not sure about mending ties. >> a large part of the community are angry at castro and any normalization is a problem, as long as cuba is a communist country. what distinguisheses marco rubio is foreign policy. he mentioned the relationship with israel. he is going to make foreign policy the bed rock of the campaign, and cuba is going to be the beginning of that. >> still to come why four

former security guards from the u.s. face decades in prison. >> and they are hungry to learn somali women in kenya made it to university. now their education is in doubt. respected around the world it means you too can now count on all the things we stand for. aljazeera america.

>> al jazeera america brings you a first hand look at the environmental issues, and new understanding of our changing world. >> it's the very beginning >> this was a storm of the decade >>...hurricane... >> we can save species... >> our special month long focus, fragile planet good to have you with us. i'm elizabeth puranam in doha. these are the top stories - the u.n. security council is discussing the situation in yemen, expected to vote on a resolution calling for sanctions and an arms embargo against suede rebels and supporters.

aid agencies warp of a humanitarian crisis. 800,000 children have been forced from their homes. the findings are from a unicef report to mark a year since 200 schoolgirls were abducted by the group florida senator marco rubio announces he'll seek the republican nomination for president and hopes to make history by becoming the first hispanic president a former black water security guard has been given life and three others 30 years in gaol for killing 14 iraqi civilians. it triggered out rage raising questions over the role of security contractors in war zones. >> three of the men were sentenced to 30 years in prison. a sniper who opened fire first was sentenced to life. they approached a junction this baghdad in 2007 when a sniper shot at a car, killing the

occupants - an iraqi medical student and his mother. the car was blown up. in the meantime others opened fire with machine-guns and grenade launchers. 17 were killed several shot in the back. 20 were injured. all killed were civilians. >> the four many were acting in self-defence and expressed no remorse or acceptance of responsibility. >> at any other point history these men would be heroes. instead they are in prison for life sentences for denning themselves. that's why the department of justice pushed for hardanses. it's been a boom time for contractors. those sentenced on monday worked for black water, noul call academy, which is estimated to have received over a billion in contracts from the state government since the shooting.

some argued that the gaoling of the four men does not mean there's transparency oversight and for military contractors. >> sentences have been handed down, the government with theories of aiding and abetting they didn't prove cupel ability. >> the four men appealed their convictions. the u.n.'s cultural agency condemned the architectural site destruction as a war crime. i.s.i.l. fighters bulldozed and blew-up parts of the ancient city that dates back. the image posted on the website confirmed reports that it vandalized the artefacts in

march education is denied to 100,000 children who live in kandahar. since kenya asked the u.n. to move the camp, their future looks bleak. for the past 23 years, this person lived in a camp for northern kenya. he arrived here at the age of three. despite the challenges as life as a refugee, he performed well in secondary school examinations but is yet to be admitted to university. >> i was hopeful of going to university after finishing scale. i visited the u.n.h.c.r. asking for assistance to get higher education. four years lair i'll waiting. >> training opportunities is elusive for young refugees confined to the camps. they are nothing more than open air prisons. >> lack of opportunity is a

great concern, and jobs for education, many have been forced to return to somali and join the group's fighting. >> the camps have been recruitment grounds for groups including al-shabab. >> i will not deny that al-shabab as been at the camps. it's a global group. there's nothing that would stop jobless joining them. >> some of the young people have drugs and cut the live in. yet others have been involved in criminal activities. this person's 17-year-old son was killed days ago. >> i sent him to the spps p shops. they shot him eight times in the

head. >> the attack in the town made life in the camp difficult. the kenyan government wants refugees relocated within three months. passes for refugees for medical. we met 14. 20 university students have been sponsored. with it days away they don't know if it will be issued in time for the exams. they are worried about missing them staying in kenya, three men who were ordered to cut grass, the schoolgirl was attacked on her way home from her grandfather's funeral and dumped in a sewer. the rapists were freed offer being ordered by police to cut

grass, caused global out rage triggering a campaign to bring them to trial. >> germany's most famous writer died at the age of 87. simon mcgregor-wood looks at his life and legacy. >> he was the german writer who bodily confronted his country's nazi past, while concealing membership of hitler's ss. his novel in 1997 "the tin drum" propelled him to fame. in 1999 his work was rewarded with the nobel prize for literature. writing into his 80s, he was outspoken and divisive. he campaigned for disarmament. he was critical of danish

cartoons, but fiercely defended the author salman rushdie against fat was. >> in 2012 he wrote the poem what must be said. >> it's not the context in which he wrote, but that the writing is the exception. he is one of the great german authors in the 20th century. i think the political voice may diminish over time but the work what is most important will stand true. >> his role as the moral conscience of germany was critically damaged in 2006. in his autobiography peeling the onion, he revealed his membership. ss something he never admitted before. it brought condemnation for the

writer that urged his countryman to confront the past, spending years hiding his own. it tarnished the legacy of his career. >> john le pen founder of the national front party says he will not run in regional elections, after a public dispute with his daughter marine le pen. she put his status for the party up for review after he said nazi gas chambers were a mere fact of history. >> translation: i can't see who at the national front can imagine sanctioning a founder who for 40 years led the political party they may have joined 2-3 years ago. it's laughable. they would need a mote of because i gave an -- motive because i gave an interview to a

paper. ridiculous. >> a manuscript written by turing while he worked on the enigma coe. the oscar nominated hit movie "the enning mow code", bought his achievements to the screen. 70 years after his achievements a rare glimpse is going under auction in new york. a humble 56-page noteback and a piece of mathematics history. >> this is the first time we've been able to see his notes and how he figured things out. again. there's no other known manu scripts by him. it makes it a unique piece. >> in the notes given to his friend kept private, they grapple with the math mat call

theories, describing one as hateful. perhaps surprisingly he also admits difficulty in understanding a famous calculation knowing it's the lead in the formula. written while working at the secret site during the second world war, the notes are not related to his work in breaking the nazi code but the passion, laying the foundation for computer science as we know it. >> this is an example. this man is working on saving the world. he comes home and in the down time is working on pure mathematics. >> >> movie reel: welcome to enigma the greatest encryption device history. >> reporter: it's estimated alan turing's work shortened the world war ii by two years, and he is considered the father of modern day computers and in the technology driven world, the impact of his work can be seen

all around us. however, it reminds us that the high-tech devices had humble beginnings. >> to australia where wildlife activists called for a cull of wild cats. they are breeding out of control in tasmania, affecting other native farmers. farmers are worried about the damage felines are going to their livestock. andrew thomas reports from tasmania trapped in a cage and angry. this wild cat is considered as dangerous ver min. farmers in tasmania are setting cat traps. >> it's an open tunnel which they can see through, and see the bait in the air in there. the zip tie is from inside the car points creating a circuit. that snaps the door latches back and both fall down.

>> the first cats from brought to australia in 1804. the wild cat population today? the tens of millions. in tasmania there's thought to be twice as many catses people, and are causing bigs problems. for farmers, it's the disease, taxo place mows sis makes pregnant sheep move lambs. >> it's economic issues for the farmers losing sheep in the first year. feral cats are shoeing through other species. traditionally pray that is native to australia. >> it is all interliked. if you take one thing out of that you get severe effects one way for the other. australia has the worst history of mammal extinctions in the world. ferrel cats remaining at or increasing numbers are going to push that record further and further away.

>> why so many cats in tasmania in particular? >> a lock of these - tasmanian devils is part of the answer. as the cat numbers have gone up the numbers of tasmanian devils plummeted down. it's not because the cats eat the devils but the devils are no longer eating the cats. the most famous animals are in trouble. over the last decade a facial disease wiped out three-quarters of those on the island. >> starts off with a cell growing into a tumor on the face the mouth and the head and the devil dies of starvation. >> reporter: as fewer devils do less scavenging, there's more for cats and the devils are not eating the kittens. to most australians cats are pets those calling for a cull say wild cats should be

considered a different species, and a dangerous one at that just a reminder that you can keep up to date with all the news on our website. which has a much more on the lead story of the ongoing conflict in yemen, all that and the rest of the news. aljazeera.com. four years ago, a new country was born. after decades of civil war with the north of sudan, it was meant to be a dream come true. but today, south sudan has disintegrated into chaos. the new president and vice president have gone to war with