Prince Phillip. Picture: PA
The Duke of Edinburgh was admitted to hospital "as a precautionary measure" after "feeling unwell".
Prince Phillip, 99, was admitted to King Edward VII Hospital in London on Tuesday evening (February 16) on advice of a doctor.
Prince Phillip is expected to remain in hospital for a few days of observation and rest.
In a statement, Buckingham Palace said: "His Royal Highness The Duke of Edinburgh was admitted to the King Edward VII Hospital in London, on Tuesday evening.
"The Duke's admission is a precautionary measure, on the advice of His Royal Highness's Doctor, after feeling unwell.
"The Duke is expected to remain in hospital for a few days of observation and rest."
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