Recent disappointing results in the May 2026 local elections have intensified internal Labour Party pressure on Keir Starmer, prompting Health Secretary Wes Streeting’s resignation and positioning potential challengers including Angela Rayner and Greater Manchester Mayor Andy Burnham. A formal contest requires nominations from at least 20 percent of Labour MPs, after which the National Executive Committee would establish the nomination window, ballot rules, and voting timeline. Burnham’s backers are urging an extended schedule to allow time for a by-election in Makerfield, potentially enabling his return to Parliament before any vote. The NEC is expected to convene soon to address procedural next steps, with any confirmed challenge likely determining whether a leadership election occurs before summer or extends into autumn.