- Wes Streeting's resignation as health secretary has intensified speculation about a potential challenge to Sir Keir Starmer's leadership, though Streeting's letter implied he would not immediately trigger a contest.
- A Labour leadership contest would require a challenger to secure the backing of 81 Labour MPs, a threshold it is unclear if any current hopeful has met.
- Greater Manchester Mayor Andy Burnham is considered a strong contender but faces logistical hurdles, including needing to win a by-election after Makerfield MP Josh Simons announced his resignation to create a vacancy, and securing permission from Labour's national executive committee.
- Angela Rayner, Sir Keir's deputy, is also a potential candidate, having recently been cleared of a tax misconduct investigation, and has indicated she could run in any future contest, denying any pact with Burnham.
- Sir Keir Starmer has affirmed his intention to fight any challenge, but his ability to retain power would heavily depend on maintaining the confidence of his Cabinet, as demonstrated by past political events.
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