In Pictures: 41-gun salute celebrates Duke of Edinburgh's 97th birthday

The Duke of Edinburgh has marked his 97th birthday, and to celebrate the King's Troop Royal Horse Artillery fired a 41-gun salute in Hyde Park, London.

Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday
Duke of Edinburgh 97th Birthday