Duke of Edinburgh asks disabled man: How many people have you knocked over with your mobility scooter?
The Duke of Edinburgh showed that his recent health problems have not dulled his mischievous sense of humour today when he joined the Queen on a visit to north London.
http://www.telegraph.co.uk/news/uknews/prince-philip/9173602/Duke-of-Edinburgh-asks-disabled-man-How-many-people-have-you-knocked-over-with-your-mobility-scooter.html