Cabinet ministers have told Liz Truss she must ditch plans to slash benefits - as it was revealed thousands of families in their own constituencies will be hit.
Chancellor Kwasi Kwarteng will announce on October 31 whether the government will stick to its promise to raise payments in line with prices.
The PM is under pressure from members of her top team - including Work and Pensions Secretary Chloe Smith, who has warned failing to match inflation would be a mistake.