Sir Keir Starmer is holding a crucial cabinet meeting as he fights to stay on as prime minister, less than two years after leading Labour to a landslide election win.
It comes amid a revolt among Labour MPs and calls from ministers for him to draw up an exit timetable after a disastrous set of elections last week.
Here is a summary of what is happening.
Political map looks very different after huge losses for Labour and major Reform gains.
Over 70 Labour MPs have publicly urged the PM either to resign immediately or set out a timetable to stand down.
