Farmer Tim Papworth is absolutely convinced that he would not be alive today if it wasn’t for the air ambulance coming to his rescue just over 18 months ago.

Destination London's Paddy O'Connell finds out how London's Air Ambulance Service will provide critical care during the Olympics.

MOTORBIKE star James Toseland's visit to a city Air Ambulance base by was cut short - because paramedics were called out to a bike crash. The former World Superbike champion, who was rescued by the service after an accident in 2000, had pledged his support to the organisation.