has been named as 22 year old salman abedi. the big question for investigators was he working alone? one man has been arrested in manchester. the flag at half mast over downing street. election campaigning has been suspended for the day. all acts of terrorism are cowardly attacks on innocent people, but this attack stands out for its appalling sickening cowardice deliberately targeting innocent, defenseless young children. at four o clock this afternoon, the queen led a minute s silence at buckingham palace. we ll be hearing from the fans youngsters who will remember last night for all the wrong reasons. it had been building up for years. when we booked the tickets it was so exciting, but it s turned into the most traumatic thing. this is the scene right now at albert square a vigil to remember the dead and show solidarity. with many people still searching for missing loved ones, we ll have the latest. and in other news tonight, the actor sir roger moore has died at t
he s understood to have been born in manchester to a family of libyan origin. police and security services launched a wide ranging investigation, as the prime minister shared the outcome of the latest meeting of the cabinet emergency committee. it is now concluded, on the basis of today s investigations, that the threat level should be increased, for the time being, from severe to critical. among the thousands of fans at the arena last night, there were many who d been looking forward to the concert for a long time. it had been building up for me, for like years. since we got the tickets, it was so exciting. it s turned into like the most traumatic thing. we ll be reporting on the remarkable strength of spirit among the people of manchester and how the community has responded. and we ll talk to people who attended tonight s vigil in the heart of the city, where they heard a message of strength and solidarity. and in other news tonight the actor sir roger moore has died at t