Prime minister is ‘hellbent’ on fighting any contest, even if his future may be out of his hands, sources say

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Keir Starmer’s closest aides are “war-gaming” how to win a leadership contest ahead of Andy Burnham’s much-anticipated return to Westminster if he wins the Makerfield byelection, the Guardian understands.

Downing Street sources said the prime minister had taken the last fortnight to think seriously about his future but was now “hellbent” on fighting any contest. His team is working through various scenarios, including sacking ministers who publicly support Burnham.

TUC, GMB and Unison leaders reject invitation to affiliate to Reform amid rising support for party among their members

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Major trade unions and the TUC have rebuffed Nigel Farage’s call for unions to affiliate to Reform UK, saying the party is “cosplaying” as workers’ champions and has opposed new employment rights.

Farage issued a call on Tuesday for unions to attend Reform’s conference and to affiliate to the party, and he suggested one union may be on the brink of doing so.

Move comes as 137 Labour MPs sign letter demanding ‘urgent, concrete action’ to stop settler violence

The UK Foreign Office and a group of western countries are due to announce a package of sanctions against Israel this week designed to deter companies from becoming involved in a proposed West Bank settlement that would split the territory in two and render the concept of a two-state solution near impossible.

Nine countries including France, the UK and Australia have warned that settlement violence must stop and no company should be involved in what is known as the E1 development.