Prince Harry reportedly accused his brother William of physically assaulting him during an argument in his forthcoming memoir.
The Guardian, which claims to have a copy of the top-secret manuscript, reported on Thursday about an argument Harry described in which William is said to have pushed his younger brother to the ground.
"He grabbed my collar, broke my chain and threw me to the ground," the newspaper quoted as saying from the book "Spare", which will be published next week.
When Harry fell, a dog bowl broke, which injured his back, it said.
William is said to have previously described Harry's wife Meghan as "difficult" and "rude" after his account, prompting Harry to accuse his brother of adopting the narrative of the British tabloids.
According to the story, insults followed, escalating the dispute.
Initially, there was no comment from Kensington Palace on the allegations.
According to Harry, the difficult relationship between the brothers should also be shared with King Charles III.
burden as a father.
At a meeting last year after Prince Philip's funeral, Charles - then heir to the throne - is said to have asked his sons: "Please boys.
Don't make my final years miserable."
Before the release of his autobiography "Spare" (German: "Reserve") on January 10, two more interviews that Harry has given the channels ITV and CBS will be broadcast.
In it, the royal is partly forgiving: “I would like to have my father back.
I would like my brother back," he said in an excerpt that British broadcaster ITV released as a short trailer.