Labour’s internal warfare breaks open as Starmer and ministers criticise Andy Burnham

Starmer understood to be furious at Greater Manchester mayor's admission that he would seek to challenge for the leadership

Labour's internal warfare broke into the open on Thursday as Keir Starmer and several cabinet ministers criticised Andy Burnham over his comments dismissing the bond markets.

Senior Labour figures compared the Greater Manchester mayor's attitude to the cavalier approach taken by former Conservative prime minister Liz Truss in a sign of how low relations between No 10 and Burnham have plunged.