Formula One World Championship
It took over half an hour to free Ian Ashley (GBR) (Being placed into the ambulance) from the wreckage of his Hesketh 308E that somersaulted and hit a television tower during practice. Despite losing his helmet from the violence of the crash he suffered 'just' broken ankles and wrists.
Canadian Grand Prix, Rd 16, Mosport Park, Canada, 9 October 1977.