How a contest to become PM is triggered, and Andy Burnham’s chances in the Makerfield byelection UK politics live – latest updates How a contest to become PM is triggered, and Andy Burnham’s chances in the Makerfield byelection UK politics live – latest updates With Andy Burnham offered a path back to parliament , the chances of a Labour leadership challenge to Keir Starmer appear to have increased dramatically. Manchester’s mayor said he wanted to return to Westminster to “make politics work