Trump spokesperson calls strike on Qatar ‘unfortunate’ after Israel targets Hamas leaders in Doha – live updates

Trump press secretary says attack on Hamas leaders ‘does not advance Israel or America’s goals’ but calls Qatar ‘a strong ally and friend’ of the US

Israel launches airstrikes against top Hamas members in Qatar for Gaza ceasefire talks

Dan Sabbagh is the Guardian’s defence and security editor

Fifty-one Israeli arms makers and the US defence giant behind the F-35 fighters used to bomb Gaza are among the 1,600 exhibitors at the biennial DSEI trade show that begins in London’s Docklands on Tuesday.