Boris Johnson did not know an RAF F-35 fighter jet had fallen off an aircraft carrier until he was told about it by Elizabeth II.

In his upcoming book ‘Unleashed’, British Prime Minister Boris Johnson has made startling claims regarding late Queen Elizabeth II’s cause of death, French President Emmanuel Macron’s revenge for Brexit,

Former British Prime Minister Boris Johnson has claimed that Queen Elizabeth II “had a form of bone cancer”. Johnson’s revelation came in his new memoir ‘Unleashed’, where he stated he knew of the Queen's diagnosis “a year or more” before her death.

​​Former U.K. Prime Minister Boris Johnson said the late Queen Elizabeth II had a form of bone cancer in her final years. Johnson’s new memoir, Unleashed, will hit booksellers’ shelves in October. But an excerpt teased this week offered a rare behind-the-scenes glimpse into the queen’s cause of death.

Royal reporter Robert Jobson disclosed details in his book, “Catherine, the Princess of Wales: A Biography of the Future Queen,” that Elizabeth II felt “terribly frail” owing to a battle with a type of bone marrow cancer known as myeloma.

Boris Johnson's decision to reveal the late monarch's diagnosis is likely to raise eyebrows at Buckingham Palace.

"Her doctors were worried that at any time she could enter a sharp decline," the former prime minister writes about the late Queen in his memoir 'Unleashed'

In the months before Queen Elizabeth II died, Buckingham Palace said virtually nothing about her health challenges other than that she was suffering from “mobility issues.” Her death certificate said that she died only of “old age” aged 96.

Queen Elizabeth II battled bone cancer before she passed away two years ago, according to former U.K. Prime Minister Boris Johnson. In his new book titled "Unleashed," which is scheduled for release next week,