BBC News British Airways: Flights cancelled amid IT crash 2017-05-27T13:40:07.000000000+00:00 All British Airways flights leaving Heathrow and Gatwick are cancelled until 18:00 BST. Manchester attack: Terror threat reduced from critical to severe 2017-05-27T13:25:34.000000000+00:00 The national terrorism threat level comes down to severe, meaning an attack is likely, not imminent. Marco Silva: Watford appoint former Hull boss as new manager 2017-05-27T13:11:28.000000000+00:00 Former Hull boss Marco Silva is named as the new manager of Watford, succeeding Walter Mazzarri at Vicarage Road. Lewis Hamilton 14th as Kimi Raikkonen takes Monaco GP pole 2017-05-27T13:09:13.000000000+00:00 Kimi Raikkonen is on pole for the Monaco Grand Prix as Lewis Hamilton takes 14th after a dramatic qualifying session. More milk, less sugar for new Milkybar recipe 2017-05-27T13:02:46.000000000+00:00 For the first time, milk will be the chocolate bar's main ingredient. Portland deaths: Two stabbed trying to stop anti-Muslim abuse 2017-05-27T12:55:02.000000000+00:00 Two men are stabbed to death on a train in Portland as they try to stop a man abusing two women. Nick Clegg: Tory school meal plans 'hit children's health' 2017-05-27T12:47:52.000000000+00:00 Nick Clegg says children will not get free fruit and vegetables under Tory plans for English schools. Arsene Wenger: Arsenal manager describes criticism as 'a disgrace' 2017-05-27T12:20:01.000000000+00:00 Arsenal manager Arsene Wenger describes the treatment he has faced this season as "a disgrace" that he will "never forget". England v South Africa: Joe Root in bizarre run out 2017-05-27T11:32:55.000000000+00:00 An unlucky Joe Root sees his innings ended as he is run out after Eoin Morgan's shot hits the stumps at the non-striker's end after clipping the finger-tips of bowler Dwaine Pretorius. FA Cup: What's your favourite goal from this season? 2017-05-27T11:00:49.000000000+00:00 BBC Sport looks at eight of the best goals from the 2016-17 FA Cup competition.