It read, 'His Royal Highness The Duke of Edinburgh was admitted to King Edward VII Hospital in London this afternoon, for planned surgery on his hip which will take place tomorrow'.
Prince Philip is now recovering King Edward VII Hospital in central London after he underwent scheduled surgery and will likely remain in hospital for "several days", according to a statement released by the Palace.
Philip was an avid sportsman for many years and saw active duty in the Royal Navy during World War II.
In December 2011, the prince suffered chest pains and had minor surgery to open a blocked artery.
"He is progressing satisfactorily at this early stage", a palace statement said, adding that the Duke of Edinburgh is "comfortable and in good spirits".
Philip, 96, is understood to have had trouble with the hip for about a month and will have an operation on Wednesday to resolve the problem.
He has been largely blessed with good health, but he has been admitted to hospital with various complaints in recent years.
"What is most important is someone's fitness, as in their heart and lung fitness, how much exercise they do and how well nourished they are".
Philip, who turns 97 in June, was hoping to join the monarch at the same venue where Prince Harry and Meghan Markle will hold their wedding next month. At times blunt to the point of rudeness, Philip is Elizabeth's most important support. In 2016, he represented the royal family at 200 engagements.
The queen missed a traditional Christmas church service in late 2016 for the first time in decades due to a heavy cold and was hospitalized in March 2013 with symptoms of gastroenteritis.
The imperial couple were also married on November 20, 1947 when they were Princess Elizabeth and Lieutenant Philip Mountbatten, at Westminster Abbey.
Philip withdrew in March from a planned appearance with his son, Prince Andrew, the Duke of York, at Windsor Castle to mark Andrew's role as colonel of the Grenadier Guards, which he is taking over from Philip.