this is bbc news. i'm lebo diseko. our top stories: moments before he killed, the manchester suicide bomber caught on cctv. tens of thousands of passengers stranded around the world, but british airways says it will get services running again on sunday. no commitment on climate change. president trump refuses to say whether he'll cut carbon emissions. police investigating the terror attack in manchester have released cctv images of salman abeidi, the man who carried out the bombing, on the night of the attack. they're asking for information on his movements in the days before. detectives say they're building up a detailed picture of abeidi and his network. from manchester, our home affairs correspondent, tom symonds, reports.

in a crowd, he would barely have been noticed. this is the manchester bomber on the night he murdered 22 children, women, and men. a rucksack on his back, he'd flown in from libya five days before. police have released this picture, its background removed, because they want information about what he did in that time. day and night they've crisscrossed manchester, raiding buildings, arresting people. this was moss side this morning. the area was cordoned off for a while with a bomb disposal team on stand—by. there is no letting up. there were three more arrests overnight. we now have 11 men in custody. there is now 17 searches either concluded or continuing on various addresses, largely in the north—west of the country. in another raid this morning, armed officers blew open this door in cheetham hill, a suburb in north manchester.

about 3am, i heard a blast. waking neighbours and making yet more arrests. local people have helped us establish the identities of the 20 and 22—year—old men arrested here last night and we've already been able to establish a link between one of them and a member of salman abedi's family. that's the pattern of the police investigation. start with the bomber, find out who his friends and acquaintances are, and arrest them. police are increasingly confident. tonight they revealed that, after the bombing at 10:33pm on monday night, forensic officers went straight in to examine the aftermath. within two hours, they'd identified the bomber, possibly from id found on his body. they've tracked his movements from the family home to the flat he's said to have rented before disappearing to libya, returning on the 18th of may, to move into a city centre apartment where the bomb was likely put together. they've pieced together his network.

friends and relatives are in custody. they're gathering financial evidence of who backed him but, crucially, they now know how the bomb was put together. that will help them judge the ongoing threat of another attack. people continue, as requested, to report their concerns. tonight again, the police were checking suspicious items, this time near manchester's main station. the bomb disposal team again on stand—by. tom symonds reporting there. thousands of british airways passengers around the world have been stranded or had their flights cancelled after a massive computer failure. all flights from the uk's two biggest airports, heathrow and gatwick, were grounded for the day, one of the busiest of the year for families going away. the airline says it's working to resolve the problem but has yet to confirm when it will be fixed. here's our business correspondent, joe lynam. this is what happens after a catastrophic it failure, thousands of ba passengers starting their long bank holiday weekend. queues of people snaking out

of the door at terminal 5 in heathrow. people have been standing in the queues for up to 70, 90, 120 minutes in some cases. the queue stretches from the check—in desks all the way out to the back of the terminal and down in front of the terminal, where all the taxis deliver people. many passengers contacted the bbc with their experiences. we've just literallyjust now been told that nothing's happening, no flights till 6pm. prior to that we hadn't been told very much at all. there were no tannoy announcements whatsoever. travelling with my 80—year—old grandma for her birthday. it's a celebration weekend. there's 13 of us going. we've had nothing. we haven't been offered any chairs, any water, any vouchers. nothing. by this afternoon, the disruption was such that ba took the highly unusual step of cancelling all flights from heathrow

and gatwick airport. this is the queue of customers leaving the terminal. and there have been severe delays for ba flights around the world. this isjfk airport in new york. and fiumicino in rome. pa: british airways has cancelled all departures from heathrow and gatwick. customers were handed out leaflets advising them of their rights to a refund and compensation. ba say that a problem with the power supply had caused the it outage, affecting everything from check—in, to boarding, to baggage throughout the airline's global network and it apologised to its customers. a senior figure in the aviation industry said an it failure of this magnitude was extraordinary and rarely seen. he added that ba had taken the right step to stop all departures. for some ba passengers, though, the long bank holiday weekend could be very long indeed. joe lynam, bbc news. let's take a look at some

of the other stories making the news. venezuela has banned the importation of gas masks, helmets, and bulletproof vests, to try and stop anti—government protesters getting hold of them. the demonstrations, which have been taking place almost daily, are often met with tear gas and water cannons. half a million people have been displaced and more than 120 killed in severe floods in sri lanka. it's the worst flooding on the island for more than a decade. landslides have blocked roads and made trees fall. military boats and helicopters are struggling to rescue those trapped by floodwater. the convicted drug trafficker schapelle corby has been deported from indonesia after serving nine years in prison and three on parole. the former beauty therapist from australia was jailed for drug offences. she was released from prison in 2014, but has only now been allowed to leave after fulfilling the conditions of her parole. and a reminder you can get more on all our stories by going to the bbc news website. there's full background and analysis, plus video and audio content.

go to bbc.com/news. stay with us here on bbc news. still to come: the first big gig in manchester since the suicide bombing, brings thousands of fans together to remember the victims. more now on the chaos for thousands of british airways passengers around the world who are stranded after a massive computer failure. deborah waters is stuck outside of venice with her son, max. she explained how they were coping with the situation. mark birt started his day in bologna italy. he was trying to get home to newcastle and now he joins us with other ba passengers stranded in the bereavement room at dublin airport. tell us about your day, mark. it sounds pretty awful. it was what it was. we got to bologna this morning at nine o'clock. we went through security. we actually

boarded the plane. you go on to a bus. after 20 minutes we moved about ten metres forward, stopped, and eve ryo ne ten metres forward, stopped, and everyone started to think what is going on? we were taken back to the terminal, given the transit cards, and told to wait here. after about two hours, we were taken back onto the bus and onto the plane and the british airways people said we weren't allowed into the terminal. we had to wait here. the plane was loaded. it was hot, as you can expect. we sat there for about 1.5 hours. and then they said nothing is happening today, off you go. we had queued for about four hours at various desks. we are now in dublin.

no sign of any staff. monica is due to new york. we were told when we get to dublin there would be someone here to help us, but there is no one here. there are cleaners and police and they told us to hide in this quiet room. we have seen five people on their way to new york who are camped outside the room. there are people from glasgow we have been talking to. of a flight of 37, 20 we re talking to. of a flight of 37, 20 were from british airways. the people have been lovely, but british airways, there is no one here for us. airways, there is no one here for us. tell us more about the people you are with. there is a lot of waiting around, it sounds like. no one can stand that amount of time.

monica is pregnant. pregnant. six months. we are all tied. we what to do now. we got up at 9am —— tired. yesterday morning at 9am. no sleep at all. we really don't know what to do, where to go. there is not enough food or drink. yeah. i also understand it wasn't easy for your wife to stand around for four hours ata wife to stand around for four hours at a time. no, she has a spinal injury. two fractures in my lower

spine. i have a lot of painkillers, but it is uncomfortable to stand for four hours with no offer of food or water. it was difficult. it was hot. it is incredible. no water orfood, a woman who is six months pregnant, a woman who is six months pregnant, a spinal injury... what would you say to british airways if you could say to british airways if you could say anything? just respond in a more direct way. just... just respond! just put some staff on the gates when planes are arriving to give us information, even to say, we're sorry, information, even to say, we're sorry, we information, even to say, we're sorry, we can't say much more, but please go here and have a complimentary meal. just put some people on. there is no one anywhere. you are trying to get back to newcastle. you are trying to get back to the united states? what have

you been told about your onward journeys? just the time of check-in and just wait. yeah. we journeys? just the time of check-in andjust wait. yeah. we might journeys? just the time of check-in and just wait. yeah. we might be able to organise sitting in a lounge, but that is not guaranteed. and policemen. i am sorry to interrupt. you are in the region and room. “— interrupt. you are in the region and room. —— bereavement room. how did you end up in there? the cleaners told us to go here. so it is the clea ners told us to go here. so it is the cleaners who are helping you! well, i dare say, you would be grateful for the kindness, but not quite the help you were expecting. no. but thatis help you were expecting. no. but that is how it goes today. it makes you reconsider future plans that is how it goes today. it makes you reconsiderfuture plans for flying, doesn't it? we really appreciate you have taken the time to talk to us. you must be exhausted. we really appreciate you

taking the extra effort to talk to us. taking the extra effort to talk to us. we hope you get home safely and pretty soon. thank you so much. thank you. thank you. goodbye. thank you. earlier i spoke thank you. thank you. goodbye. thank you. earlierl spoke to thank you. thank you. goodbye. thank you. earlier i spoke to the founder of airsafe.com. i asked him you. earlier i spoke to the founder of airsafe.com. iasked him if you. earlier i spoke to the founder of airsafe.com. i asked him if they we re of airsafe.com. i asked him if they were caught unaware the pillar it appears, partly due to the nature of the problem, it appears to be a catastrophic failure, though temporary, of a complex system. don't they rehearse systems like this? it seems rather strange this airline would be so unaware. well, it is partly due to the nature of what happened. this is something that apparently affected the entire system. and once you have a situation where the aircraft cannot depart or arrive, other things start to get overwhelming. many of the failures, the things you saw,

crowds, baggage left unattended, is partly due to the system being overwhelmed by failures. we have seen overwhelmed by failures. we have seen how ba has been overwhelmed, and it has affected heathrow and gatwick. what will this do to other airlines in other parts of the world ? airlines in other parts of the world? well, it appears that this particular problem was limited just to ba. and perhaps there is something we will find that during the investigation. it may be led to other airlines. i am trying to get to the crunch point, the back log of flights. it will, but there will be flights. it will, but there will be flights from all around the world. unlike unlike heathrow and gatwick, they have a far smaller percentage of flights that are ba flights. it will not be anywhere near as dramatic as heathrow and gatwick.

what do you make of how ba has handled this? they are doing the best they can. given the nature of the failure was with it systems, they had a difficult time getting information out to passengers. this is the kind of situation that is not really practised ahead of time. weather related failures, that is something you can prepare for, but nothing that affects the entire network in one day. what can passengers expect in terms of treatment in times like these? we heard of older people during the day not being given a chance to sit on, not being given a chance to sit on, no food vouchers for people. what would you expect them to do? the eu has a lot of rules regarding compensation, like food vouchers and places to sit. that is under their control. that appears to be the case

this time. but when you have a situation with such a wide range, percentage, of people having this problem, even the airline with the best of intentions will have trouble rolling this out in a few hours, even at gatwick and heathrow. i am not surprised at these complaints. leaders of some of the world's most powerful nations have left the g7 summit without agreeing a joint statement on climate change. six of them did reaffirm their commitment to the paris accord on reducing greenhouse emissions, but president trump refused to sign up for the united states, saying he'll make his own decision next week. from sicily, james landale reports. this summit was all about one man and whether he was ready to stand shoulder to shoulder with these fellow leaders to tackle the world's problems. well, donald trump did turn up, but he didn't always look comfortable. he refused to reaffirm his country's commitment to curb carbon emissions, to the anger of his allies. translation: the entire discussion about climate was very difficult, if not to say very dissatisfying.

we have a situation where six, and if you include the eu, seven, are against one. scientists believe that global warming is changing the world's climate and, two years ago in paris, almost 200 nations agreed the first legally—binding targets to scale that warming back. today six leaders reaffirmed their strong commitment to implement that deal swiftly, but the president refused, fearing it could cost american jobs, tweeting that he'd make a decision next week. as he left for home, the president said nothing about the paris deal but told us troops in sicily that his overseas tour had been a success. from saudi arabia, to israel, to nato, to the g7, we made extraordinary gains on this historic trip. this disagreement over climate change has shown that donald trump is ready and willing

to confront his allies in europe. in stark contrast to the warm words he offered partners in the middle east. james landale, bbc news, sicily. a reminder of our top stories: british police have released new cctv images of the manchester bomber on the night he carried out his suicide attack. they say they've gathered significant information about his network. british airways blames a power supply problem for the stranding of tens of thousands of passengers but says services will be better on sunday. let's get more on our top story, the investigation into the manchester bombing. prime minister theresa may has announced that the threat level facing the uk is being reduced from critical to severe following the significant progress in the investigation. it means that an attack is no longer regarded as imminent, but remains highly likely. judith moritz reports. visible and armed, the police out

on the streets, there both to protect and reassure the crowds. the threat level has been lowered, an attack considered highly likely rather than imminent. but soldiers will continue to support the police until monday at midnight. the independentjoint terrorism analysis centre has this morning taken the decision to reduce the threat level from critical to severe. the public should be clear about what this means — a threat level of severe means an attack is highly likely. the country should remain vigilant. it means that 1,300 events, happening across the country this weekend, will remain under heightened security. at wembley, the fa cup, between arsenal and chelsea, passed off peacefully. at the let's rock festival in shrewsbury, the police mingled with the audience. and every one of the 50,000 spectators at radio 1's big weekend

in hull are being searched at least once. the effect of the arena attack has been felt by millions of people and thousands have now been to pay their respects to those who died. 18—year—old georgina callander was killed in the blast. her mum was frantically trying to find her after the concert. today, she spoke about the moment that she discovered her daughter. there she was on the stretcher. they were working, doing resuscitation and taking her down the stairs. i was just screaming and shouting at her. i was rubbing her hands. i was rubbing her tummy. i was rubbing herface. all the images are so vivid now. i can see everything. this evening, the teenager's parents

laid their flowers alongside the others at the memorial which has become a focal point for manchester's grief. applause and then balloons flying free. there was applause, respect and love for a family needing comfort at this, the hardest of times. police in the american city of portland say two men were killed arsenal have won the fa cup, beating premier league champions chelsea 2—1 at wembley. it's a record seventh fa cup win for arsenal manager arsene wenger, whose future at the club remains at the centre of much speculation. david 0rnstein was at wembley. security was understandably tight as wembley welcomed 90,000 fans for the showpiece of english football. after an impecably observed minute's silence, arsenal made a blistering

start, opening the scoring through alexis sanchez. commentator: sanchez is in to score, the flag is up though. the goalfinally given after suspicions of handball and offside in the build up. it could have been worse for chelsea. gary cahill making two goal—line clearances and they were also rescued by the post. the premier league champions suffered a further set back after halftime. victor moses shown a second yellow card for diving. but that briefly rallied the ten men. diego costa with the equaliser. no sooner had chelsea finished celebrating than arsenal were back in front. aaron ramsey timing his arrival to perfection. his club now the most successful in the competition's history. so at the end of a vintage fa cup final, chelsea's dreams of the double are ended by arsenal. an otherwise disappointing season for the gunners finishing in glory. this team has suffered

and united and responded. i said that last week which team would win the championship with one or two good buys, and keep them together. i think we're on a good way. despite this success, questions remain offer the future of wenger, whether he stays or goes — he's certainly made his mark. one of the founding members of the rock group, the allman brothers band, gregg allman, has died. he was 69. a statement on his website says he had struggled with many health issues. gregg allman and his older brother duane started the band in the southern american state of georgia in the 1960s. appropriately enough, tim allman reports. gregg allman doing what he did best — long—haird psychedelia mixed with the blues,

country and jazz — what came to be known as "southern rock" — as part of the allman brothers band, one of the biggest acts of the 1970s. which made what happened next all the more unusual. his marriage to cher, a romantic and professional relationship that caused a little controversy. she had the big idea to go on—stage together. and we got to europe, and half the audience over here, they was in tuxedos and the other half were in backpacks. and these were booing and the others were saying "get them off the stage!" cher lead the morning on social media, tweeting... singer—songwriter melissa etheridge posted... and rock singer

john mayer tweeted... gregg allman was born in nashville, tennessee, in 19117. together with his brother duane he formed the allman brothers band in 1969. they enjoyed huge success, but duane would die in a motorbike accident at the age of 24. gregg continued performing, but would suffer from health problems and addiction to drugs and alcohol. he died this week peacefully at his home in savannah, georgia. described as a kind and gentle soul, a brilliant pioneer in music. music fans attending the first major concert in manchester since monday's attack have been told that

terror will never prevail. a huge security operation was in place for the gig by local band the courteeners. it was a sell—out event but very different from one that was originally planned. it was at old trafford cricket ground. 0ur entertainment correspondent, colin paterson, was there. the courteeners. this gig sold out six months ago. after monday's bomb attack, the band decided it would still go ahead. their singer liam fray told me why. if this hadn't have happened, it would have sent out a really bad message, i think. people should be allowed to go and enjoy themselves without being scared. we are absolutely coming because it's what we do. it's what we love. we're not going to be deterred by anybody, or anything. i'm a married man. i've got a kid and all that. at the end the day, you've got to live your life.

you know what i mean? you've got to live your life. now, this is not normal at a gig to have armed policemen on the door. but, even with this level of security, some die—hard fans have chosen to stay away. the first time i saw courteeners it was actually at the arena. liam wilks has attended every courteeners gig in manchester since 2011, until tonight. he sold his tickets. ijust know i wouldn't enjoy it. i wouldn't be focusing on the music. i'd be focusing on if i saw anything suspicious, or... i wouldn't be listening to the music, i'd be watching everything else. but abbey and pete weren't going to let their big day be spoiled. they'd already decided to turn the gig into their wedding reception, buying 68 tickets for guests. what we do in manchester is we go to gigs. that's why we've had the wedding that we've had. so, we just carry on. we're with our mates tonight, our favourite band. so, we'rejust going to do manchester proud tonight and have a big party. but tonight has also been about remembering those killed on monday. this is our manchester. 0ur manchester. and the bees still buzz!

colin paterson, bbc news, manchester. first the weather with phil avery. hello. after a fairly dramatic day to say the least on saturday, sunday starts in a quieter vein and fairly cool in southern counties. single figures for some, mist and fog, a dull start in western scotland, the rain pushing up to be confined in the northern isles, murky fare here and fine weather following on behind variable amounts of cloud and the cloud filling in in the south—west with the odd rumble of thunder to finish. further east, dry enough with sunshine. through the evening and overnight we push the rain belt further to the north, following on behind with muggy air and temperatures never lower than 15 or 16. some thunderstorms overnight. on monday we will push the rain belt to the northern high of the british isles to the east,

all that muggy air could go bang again, 25 or 26 is distinctly possible, slightly quieter towards the west. bye— bye. this is bbc news. the headlines: british police have released a new cctv image of the manchester suicide bomber, salman abedi, on the night he carried out his suicide attack. 11 people connected to him have now been arrested. meanwhile, the authorities have lowered the threat level of a terrorist attack from critical to severe. british airways says it's aiming to operate a near—normal schedule at gatwick airport and most services from heathrow on sunday. tens of thousands have been stranded around the world