The PM apologised for accepting Lord Mandelson’s assurances about past links to a disgraced financier before backing him for a top diplomatic post. Labour figures branded him gullible and weak and urged a rethink, deepening unrest over the appointment.

The PM faces intense pressure after admitting he and his chief of staff were warned about Lord Mandelson’s links to Jeffrey Epstein before appointing him ambassador to Washington. Opponents question his judgment and demand full disclosure of advice behind the decision.

Lord Mandelson is under criminal investigation over claims he leaked market-sensitive government information to Jeffrey Epstein while in office. He will leave the Lords. Downing Street backed a full review, and Gordon Brown called the alleged conduct “unpatriotic”.

Scotland Yard is assessing allegations that Lord Mandelson leaked Downing Street emails and market‑sensitive information to Jeffrey Epstein. Papers released in the US triggered the review. Gordon Brown has urged a No 10 inquiry. Mandelson says he acted properly and denies any criminality.