At a glance: Starmer fights to stay on as prime minister
PA Media
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.
On Thursday, Wes Streeting resigned from the cabinet, leaving his post as health secretary - although he stopped short of launching a leadership bid.
Earlier in the week, four members of the government, including health minister and Streeting ally Zubir Ahmed, resigned, while 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.
What's the latest?
Wes Streeting quits as health secretary, saying he has "lost confidence" in Sir Keir's leadership and that it is "now clear that you will not lead the Labour Party into the next general election"
Streeting's camp insist he has the support of the 81 Labour MPs that are necessary to trigger a leadership contest, although in his resignation letter he calls…