People take photographs of a betting company's odds on contenders to be the next leader of Britain's Labour party, with Andy Burnham, Wes Streeting and Angela Rayner's names all listed, on Whitehall in central London on May 12, 2026. [Photo/Agencies]

British Prime Minister Keir Starmer's leadership is in jeopardy after his Labour Party suffered heavy defeats in local elections last week.

Manchester mayor eyes Westminster run as Wes Streeting resigns from government with a scathing attack on Starmer