Dec 26, 2011 9:39 AM by AP
LONDON (AP) - Britain's Prince Philip has spent a third night in the hospital as he recovers after treatment for a blocked coronary artery.
Buckingham Palace officials say the 90-year-old husband of Queen Elizabeth II is in good spirits and will remain under observation for "a short period."
The prince underwent a successful coronary stent procedure after he went to the hospital on Friday complaining of chest pains.
On Monday he is likely to miss the Royal Family's Boxing Day shooting party, which he usually leads.
Philip is known to be active and robust, appearing at many engagements - most recently taking a 10-day tour of Australia with the queen.
Six of Philip's grandchildren, including Princes William and Harry, visited him Sunday in the hospital.
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