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Wes Streeting hit out at the “toxic culture” around Sir Keir Starmer’s No 10 operation after a civil war erupted at the top of the Labour Party.

The Prime Minister was forced to condemn “completely unacceptable” attacks on Mr Streeting over suspicions the Health Secretary is plotting a leadership challenge.

Senior No 10 sources said Sir Keir would fight any leadership challenge but suggested the briefing against Mr Streeting had not come from Downing Street.

Prime Minister Sir Keir Starmer insisted he had never authorised briefings against his Cabinet (Stefan Rousseau

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