Labour Rival Prepares To Challenge Prime Minister Starmer for Party Leadership
Under the British system, as leader of the largest party in parliament, Andy Burnham would automatically become prime minister.
Labour Party politician Andy Burnham speaks to supporters at Wigan, England, on June 19, 2026, after winning a special election to Parliament that clears the way for him to challenge Prime Minister Keir Starmer for the party leadership. Jon Super/AP
