How can Andy Burnham become prime minister and what comes next for Britain?

Who is Andy Burnham? The 'King of the North' who could replace Keir Starmer as UK PM after by-election win

Andy Burnham wins Makerfield by-election with 55%, returning to Parliament and securing eligibility to challenge Keir Starmer for Labour leadership. With Starmer's position weakening amid multiple setbacks, Burnham now poses the strongest threat yet for an imminent Labour party leadership battle.