Prime Minister Andy Burnham has left for an overseas family holiday barely two weeks after entering Downing Street, prompting sharp criticism. “Business as usual,” No 10 insistsOfficials have stressed that government will continue to function normally while the Prime Minister is away. Because Burnham did not appoint a deputy prime minister when he formed his cabinet last month, questions have been raised over who is formally in charge during his absence. Party chairman Lee Anderson was similarly pointed: “Two weeks into the job and Andy Burnham has already had enough. “I’m not going to criticise Andy Burnham for that.