Despite a huge security operation to protect the content of Prince Harry's upcoming memoir, Spare, a section of the upcoming book has been leaked, offering shocking details of life behind-the-scenes in the royal family.
The first insight into the book sees the Duke of Sussex accuse his older brother William of "knocking him to the floor" in a heated row about Meghan Markle, which left him "dazed" and with "scrapes and bruises".
Harry also claims William called Meghan "difficult", "rude" and "abrasive" and says his father King Charles made a cruel joke about him moments after he was born.
Buckingham and Kensington Palaces have refused to content on the contents of the book, which hits the shelves on Tuesday.
We look through some of the biggest claims made in the extract, which was leaked to the Guardian, before the Sun procured a copy in a Spanish book store.
William 'knocked Harry to the floor'
Undoubtedly the most shocking allegation in the extract is that a row between the brothers over Meghan Markle become physical.
Harry claims the confrontation happened at Nottingham Cottage, his bachelor pad which became his first home with Meghan before they moved to the US.
He claims the meeting was set up in an attempt to discuss the "whole rolling catastrophe" of their worsening relationship, however things quickly became heated.
Harry claims he offered his brother a glass of water when things became confrontational, but says William then "attacked" him.
He writes: "He set down the water, called me another name, then came at me. It all happened so fast. So very fast. He grabbed me by the collar, ripping my necklace, and he knocked me to the floor. I landed on the dog’s bowl, which cracked under my back, the pieces cutting into me."
He then writes that William told him to hit back, but Harry refused so William left, but later returned looking "regretful". Harry says he later apologised.
King Charles' cruel joke
Harry also shares a joke his father Charles made to the late Princess Diana when he was born.
According the to leaked extract, the then Prince of Wales said: "Wonderful! Now you’ve given me an heir and a spare – my work is done."
'Don't tell Meg' - and her sad reaction when she did find out
Harry claims that as William went to leave after the "attack", he turned back to him and said "You don’t need to tell Meg about this."
He says he didn't tell her at first, contacting his therapist instead. However he said he wasn't able to hide it from her after she spotted the bruises.
But he claims his wife “wasn’t that surprised, and wasn’t all that angry". Instead, he says she was simply "terribly sad".
Kate and William 'approved of Nazi costume', book claims
In another leak, this time to the New York Post's Page Six, Spare claims that the Prince and Princess of Wales encouraged Harry to wear a Nazi costume to a fancy dress party.
The Duke of Sussex, aged 20 at the time, caused outrage when he was pictured wearing the soldier's uniform complete with a swastika in 2005.
He recently addressed the incident during the third episode of Harry & Meghan, the Netflix docuseries, saying it was "one of the biggest mistakes of his life".
Now, in a leaked extract from his new memoir Spare, Harry has shifted some of the blame for the scandal to his brother and sister-in-law.
He writes about asking for William and Kate 's advice on choosing between two outfits - a pilot's costume or the Nazi uniform.
In a segment of the book Harry reportedly writes: "I phoned Willy and Kate, asked what they thought. Nazi uniform, they said."
He goes on to say that when he went home and tried it on for them, they "both howled".
"Worse than Willy's leotard outfit!", he adds. "Way more ridiculous! Which, again, was the point."
Brotherly nicknames
Meanwhile another revelation for the leaked book is the brotherly nicknames William and Harry refer to each other as - Willy and Harold.
In one extract, Harry writes that he gave his brother a glass of water and said: “Willy, I can’t speak to you when you’re like this.”
While in another when William apologised but denied attacking Harry, he says: "‘I didn’t attack you, Harold."
