In today’s newsletter: Our senior political correspondent talks about how the coming days and weeks may unfold for the Labour government, and how Keir Starmer ended up the most unpopular prime minister in memory • Don’t get First Edition delivered to your inbox? Sign up here Good morning. Today’s the day, probably. Keir Starmer is expected to announce that he will step down as prime minister, after overwhelming pressure from Labour MPs to make way for Andy Burnham to become party leader. This follows the Manchester mayor’s emphatic victory in last Thursday’s Makerfield byelection , where he leveraged his popularity and the prevailing anti-Starmer mood to secure more votes than Reform and Restore combined, cementing his credentials as the man who can take on the hard right in the next gener