Prince Philip has been reunited with the Queen on Christmas Eve following a four-night hospital stay.
The Duke of Edinburgh arrived in Sandringham at around midday, after leaving the King Edward VII’s hospital in central London at 8.49am.
He was driven to Buckingham Palace to then take a helicopter Sandringham.
There he will spend Christmas with the Queen, who travelled there by train on Friday.
Upon leaving care this morning, the duke got into the passenger seat of a car in a secluded street behind the hospital.
Philip waved to a nurse before he was driven away.
Multiple police stood guard around the hospital as well as royal protection officers.
After his departure, Buckingham Palace said: “His Royal Highness would like to thank everyone who sent their good wishes.”
Philip's admission was previously described as a "precautionary measure".
A Buckingham Palace statement on Friday said: "The Duke of Edinburgh travelled from Norfolk this morning to the King Edward VII Hospital in London for observation and treatment in relation to a pre-existing condition.
"The admission is a precautionary measure, on the advice of His Royal Highness's doctor."
Buckingham Palace would not go into details about Philip's pre-existing condition or the nature of his treatment.
The duke was not taken by ambulance and was expected to be in hospital for a few days.
According to reports his admission followed a spell of ill health – the Sun quoted a royal source saying the duke had a fall recently and the Mail reported he had been battling a flu-like condition.
Philip retired from public duties in 2017, though at the time the palace said that was not due to his health.
He turned 98 in June and has generally enjoyed good health.
He appeared to recover well from a planned hip replacement operation in April 2018.
In January, he escaped with minor injuries after a dramatic car crash near Sandringham.
In the past decade has been admitted to hospital for abdominal surgery, bladder infections and a blocked coronary artery.
