Starmer vows to fight any challenge after leading rival Burnham wins big

British Prime Minister Keir Starmer said on Friday he would not walk away, vowing to fight any challenge from his leading party rival Andy Burnham and potentially ushering in a new bout of political instability.

Burnham, the Greater Manchester mayor, won a decisive victory for Labour to claim a parliamentary seat in northwest England, and has signalled that he will use it to enter any contest to replace Starmer....