Sir Keir Starmer is facing mounting pressure to stand down, with four ministers resigning and more than 80 MPs calling on him to quit. Meanwhile, more than 100 others have warned against a leadership contest. MP Diane Abbot says she's "astonished the PM can have 80 MPs placing votes of no-confidence, he can have a huge Reform majority we got last week and he himself is not considering his position". Live updates: https://news.sky.com/story/starmer-latest-burnham-streeting-rayner-leadership-quit-