Secret WhatsApp Leak Shows Labour Welfare Rebellion Undermined Starmer’s Authority

Private WhatsApp messages dated 24 June between Work and Pensions Secretary Pat McFadden and former minister Peter Mandelson show that a 120-MP rebellion over cuts to the Personal Independence Payment and the sickness element of Universal Credit forced Starmer’s Government to reverse the reforms the following day. McFadden called the situation “very bad” and said it “destroyed” Starmer’s authority.

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The reforms would have cut Personal Independence Payment and the sickness element of Universal Credit. As the 120-MP rebellion grew, the Cabinet intensified talks with dissenting MPs. On 24 June the WhatsApp exchange recorded a “very bad” assessment; on 25 June the government announced a U-turn, adding an estimated £3 billion to Treasury costs. Mandelson later called No 10’s communications “shit”, labelled Starmer’s leadership “advance/buckle/advance/buckle”, and noted a “no-faith” view from chief of staff Morgan McSweeney. Torsten Bell described policy picture as disorganized.

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Pat McFadden (Work and Pensions Secretary) authored the WhatsApp messages; Peter Mandelson (former Labour minister, then U.S. ambassador) received them; Starmer is referenced as Prime Minister; Morgan McSweeney is Starmer’s chief of staff; Torsten Bell (Pensions Minister) commented on policy; the Conservative Party issued a public critique.

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The U-turn on PIP and UC cuts added an estimated £3 billion to Treasury outlays, creating a shortfall in the spending plans overseen by Chancellor Rachel Reeves.

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Analysts have described the climbdown as the moment Starmer’s leadership was “fatally undermined”. The texts have fueled speculation of a leadership challenge from Andy Burnham or Wes Streeting and highlight internal dissent over welfare strategy.

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McFadden said dissenting MPs were questioning how to fund the benefits. Mandelson criticized No 10’s communications, calling them inadequate, and said the government’s policy work was insufficient. Bell described the overall policy picture as disorganized. The Conservative Party argued that Labour’s welfare changes would raise taxes. A McFadden spokesperson said he complied with Humble Address and that his contact with Mandelson was to urge an apology.

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The leaked exchange records McFadden’s view that Starmer’s authority was destroyed, Mandelson’s “no-faith” comment on the chief of staff, the description of Starmer’s leadership as “advance/buckle/advance/buckle”, and the assessment that No 10’s communications are “shit”. These remarks illustrate a perception of policy mismanagement and weakened control over backbenchers.

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• “Defeat, pull [the] bill or gut it all destroy his authority” — Pat McFadden, Work and Pensions Secretary

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• “Yes I am afraid so.” — Peter Mandelson

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• “comms leadership is shit” — Peter Mandelson

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• “the big picture” of the Government is “messy.” — Torsten Bell, Pensions Minister

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• “who can we tax in order to pay benefits to others” — Pat McFadden, Work and Pensions Secretary

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McFadden is reportedly preparing a new welfare reform aimed at work and opportunity for young people, while the party’s internal debate over leadership and policy direction is expected to intensify in the coming weeks.

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