Why has Keir Starmer resigned as UK prime minister, and who will take over? (opens original article in a new tab)

UK Prime Minister Keir Starmer resigned after losing support within his Labour Party, triggering a leadership contest with Andy Burnham as the leading candidate.

• Keir Starmer resigned as UK prime minister after losing confidence from Labour MPs and facing pressure from rising far-right Reform UK.
• A leadership contest will determine Starmer's successor, with Andy Burnham as the frontrunner following his recent by-election victory.
• Labour's declining support and internal divisions have led to concerns about the party's electoral prospects ahead of the next general election.