Keir Starmer has increased the pressure on Andrew Mountbatten-Windsor to cooperate with a congressional investigation into Jeffrey Epstein, saying those who are caught up in child sexual offence cases should disclose any information they have.

Asked whether Mountbatten-Windsor, who was stripped of his royal titles last month, should respond to the US House oversight committee, the prime minister said those with “relevant information” should share it. The former prince had a long friendship with Epstein and is alleged to have sexually assaulted one of his victims, Virginia Giuffre – allegations he denies.

Starmer’s comments came after Mountbatten-Windsor failed to respond to an interview request from the committee, prompting an angry response from two of its members.

Starmer said: “I

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