Helen Pidd goes to Makerfield where the Labour candidate and would-be prime minister Andy Burnham faces Reform UK in a crucial byelection. With reporting from Josh Halliday On Thursday, Makerfield is hosting what is surely the most consequential byelection in memory. If he wins, Andy Burnham will challenge Keir Starmer for the Labour leadership – and attempt to save the party and the government from its current malaise.