A very quick guide to Burnham - when does he actually become PM?

When does Andy Burnham become prime minister? Andy Burnham will take over from Sir Keir Starmer as Labour leader on Friday, after winning the support of the party's MPs. It means he will soon become the UK's prime minister - the seventh in the last 10 years. When does Andy Burnham become prime minister? Burnham becomes Labour leader on Friday - but he will not become prime minister until Monday, three days later.