Good morning. First as tragedy, then as farce. Once again, the UK is shrouded in political uncertainty as a deeply unpopular prime minister clings to power. It has become a familiar cycle in recent years: the wait to find out which perishable good will survive longer than our next doomed premier. Keir Starmer insists he is not leaving – a serious leader for a serious time – and will have been boosted by last night’s lifeline, when Wes Streeting’s challenge failed to materialise. However, his authority with Labour MPs remains weak. Each new resignation attempts to undermine his position. For now, Starmer remains in charge by default. For today’s First Edition, I spoke with the Guardian’s policy editor, Kiran Stacey, about the latest goings on behind the scenes in Westminster, and the obstacles facing the runners and riders vying to be the next temporary occupant of 10 Downing Street. But first, the headlines.…