LONDON (AP) — Andy Burnham was officially declared leader of Britain’s governing Labour Party on Friday, clearing his final hurdle to taking office as prime minister next week. The center-left party announced the result of a leadership contest to replace departing Prime Minister Keir Starmer, in which Burnham was the only contender.The announcement was a forgone conclusion after he secured nominations from 379 of the 403 Labour lawmakers in the House of Commons as of Thursday night.Burnham, the former mayor of Greater Manchester, has been prime minister-in-waiting for weeks, but he has revealed little detail about his policy priorities. He will arrive in Number 10 Downing Street largely unknown to voters outside Manchester. THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.LONDON (AP) — Andy Burnham will officially become leader of Britain’s governing Labour Party on Friday, clearing his final hurdle to taking office as prime minister next week.The center-left party will announce the result of a leadership contest to replace departing Prime Minister Keir Starmer, in which Burnham was the only contender. He had secured nominations from 379 of the 403 Labour lawmakers in the House of Commons as of Thursday night.