At a glance: Starmer fights to stay on as prime minister

Sir Keir Starmer is fighting to stay on as prime minister. as he stares down calls from Labour critics for him to leave Downing Street.

Supporters of Health Secretary Wes Streeting have told the BBC they expect him to launch a leadership challenge against the prime minister as soon as Thursday.

Earlier in the week four members of the government, including health minister -. Streeting ally - Zubir Ahmed resigned, whilst scores of Labour MPs are calling for Sir Keir to quit following a disastrous set of elections for the party last week.

Here is a summary of what is happening.

Sign up for our Politics Essential newsletterto keep up with the inner workings of Westminster and beyond.