Andy Burnham is set to become the U.K.'s new prime minister on Monday, succeeding Keir Starmer. Burnham, who was the only candidate for Labour Party leader, will be the seventh prime minister since 2016.

Andy Burnham has become the leader of the Labour party, paving the way for him to take over as U.K. Prime Minister after Keir Starmer's resignation.

Andy Burnham has been elected leader of the Labour Party, the centre-left party announced on Friday. He is set to become the next prime minister of the United Kingdom on Monday,…