The relationship between the Duke of Sussex, 37, and Prince Charles, 73, could be at breaking point after Harry released a statement last Sunday, claiming that he had previously "raised concerns about" the business motives of Mahfouz Marei Mubarak bin Mahfouz, the man who was promised a knighthood and British citizenship after donating large sums to the Prince's Foundation. Harry claimed he had "severed ties" with Mr Mahfouz a year before his father presented the Saudi billionaire with a CBE.

       The statement, which referred to the crisis as a “CBE scandal”, added: "The Duke had one planned meeting with this donor nearly eight years ago, did not introduce him to any members of the Royal family, and expressed his concerns about the donor."

       Royal expert Camilla Tominey said: "Before Prince Harry’s decision to repeatedly throw his father under a bus, he was arguably closer than Prince William to Prince Charles."

       Additional reporting by Dan Hastings and Teresa Gottein Martinez.

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