How Andy Burnham could attempt to topple Keir Starmer to be the next UK prime minister

Andy Burnham, mayor of Greater Manchester, won a parliamentary seat, positioning himself to challenge Keir Starmer for Labour leadership and the UK prime ministership. Burnham could trigger a leadership contest by securing 81 lawmakers' support, with options to act before July 16 or delay until after summer. Wes Streeting, a former health minister, has also indicated potential opposition to Starmer.