The 98-year-old has been taken to the hospital as a precaution for the treatment of an existing condition.
The Duke of Edinburgh has been admitted to the King Edward VII Hospital in London where he will remain under observation for a few days.
Prince Phillip is said to have walked into the hospital unaided and sources say this is part of a planned visit rather than a sudden admission.
This comes as the Queen arrived at Sandringham, where members of the royal family gather for Christmas every year.
Magnitude 7.7 quake shakes Panama, canal operations normal
US imposes sanctions on International Criminal Court
Three Saudi nationals killed in attacks on Riyadh airport, aviation authority says
Former ICC judge Navi Pillay wins 2026 Nobel Peace Prize
Renoir paintings stolen from Riviera museum recovered, 6 people arrested
