A royal expert says Prince Charles is at the "end of his tether" following a TV interview in which Prince Harry spoke about the meeting between him and his father.
Harry appeared on US breakfast show Today on Wednesday where he refused to say whether he misses his father Charles and brother Prince William.
And in that interview, Harry vowed to protect the Queen. He said the pair "[talk] about things she can't talk about with anybody else" and is "making sure she had the right people around her".
Harry and his wife Meghan earlier visited the monarch for supposed "olive branch" talks at Windsor Castle where they met with Charles for 15-minutes, the Daily Mail reports.
Robert Jobson, who co-wrote the book Diana: Closely Guarded Secret, claims the Prince of Wales had only agreed to meet with his son and daughter-in-law on the condition that nothing would be said of him on American TV.
"Prince Charles has reached the end of his tether. They haven't been in contact and had they have started blurting about that meeting, that would have been the end of it," Jobson told GB News.
Jobson added Harry also turned up late for the meeting.
"All families have problems, but you don't go blurting off to your next-door neighbour as soon as you've had a meeting," he said.
"Prince Charles thought, 'If these conversations are out in public then I'm not putting up with it,' and he's drinking at the last chance saloon."
Jobson's comments come after royal staff said Harry's self-delusion knew "no bounds" and insisted the Queen "just doesn't deserve this" as she turns 96 on Thursday.