Prince Philip less than grabbed by welcome to Prince William's air base during visit
The Duke of Cambridge gave his grandfather the most awkward of hugs as he welcomed Prince Philip to his flying base.
William was on duty as the Queen and Duke of Edinburgh toured the new centre of the East Anglian Air Ambulance (EAAA) at Cambridge Airport, where he has been flying helicopters on emergency callouts for a year.
William and his crew - co-pilot, doctor and critical care paramedic - were scrambled to a medical incident just over 90 minutes before the royal couple arrived.
But he was back just in time to greet his grandparents. William introduced them to some of his colleagues, jokingly referring to them as a "motley" crew.
Before leaving the building the Queen was shown a cake baked to mark the opening of the new base in the shape of a helicopter complete with rotating blades.
William led his grandparents outside where the bright yellow H145 helicopter he flew earlier was sitting close to the runway.
The Queen was spotted with a plaster above her right ankle, near the spot where she had a bruise a few months ago. Buckingham Palace declined to comment.
Philip and the Queen listened intently as William pointed out features of the helicopter as they walked around the aircraft.
The royal couple met staff from all departments of the charity, supporters, and a small group of people helped by the service before William joined last year.
Mark Warren told the Queen how his life was saved by the charity's workers after he slammed into a sea wall while kite surfing at Southend-on-Sea, Essex, four years ago and tore a hole in his aorta.