LONDON, ONT. -- Huron OPP continue to investigate a serious crash near Exeter Saturday afternoon.

Around 2:50 p.m. police were called to Airport Line after a motorcycle, car and a  white pick-up truck pulling two grain bins tractor pulling grain bins collided.

Police say the motorcycle and car were trying to pass the truck at the time. There may have been several vehicles between the motorcycle and the truck.

The motorcyclist was taken to hospital with serious injuries. A passenger on the motorcycle suffered minor injuries.

Airport Line had to be shut down between Huron Street and Kirkton Road.

Police are looking to identify and speak with any witnesses to the collision or motorists who may have passed the truck.

Call Huron County OPP at 1-888-310-1122 if you have information.