Andy Burnham has returned to Westminster after winning the Makerfield by-election, reviving speculation over whether the former Greater Manchester mayor could one day lead the Labour Party – and the UK. Known as the "King of the North," the Liverpool-born politician built his national profile through regional leadership, devolution and his so-called "Manchesterism" vision. CGTN Europe looks at Burnham's political rise, his return to Parliament and what changes he could bring if he makes a future bid for the top job.