Reform UK leader Nigel Farage campaigning in the Runcorn by-election with his party's candidate, Sarah Pochin.Reform UK have beaten Labour to win the Runcorn and Helsby by-election in a result that will send shockwaves through UK politics.In a major blow for Keir Starmer, the right-wing party managed to overturn Labour’s 14,700 majority to claim the seat by just six votes.The by-election was called after the seat’s previous Labour MP, Mike Amesbury, was convicted of punching a constituent.Reform UK’s Sarah Pochin won with 12,645 votes, ahead of Labour’s Karen Shore on 12,639.Earlier this week, Labour chair Ellie Reeves all-but conceded defeat when she accused the Conservatives of “gifting” the seat to Reform