From public ownership to devolution and the cost of living, the policies of the potential Labour leadership challenger will face intense scrutiny UK politics live – latest updates Andy Burnham’s victory in Makerfield sets up a battle for Downing Street. Allies of the outgoing Greater Manchester mayor want him to be installed as prime minister as quickly and painlessly as possible, while those close to Keir Starmer want the Labour leader to fight on. If he does become prime minister, Burnham will be expected to deliver on the “change” he promised after his win on Thursday night.