Police are looking for help from the public after a 48-year-old man was found injured on the Gravenhurst Parkway early Sunday morning.

Police say the man was located near his home around 3:00 a.m. by his family. He was then taken to hospital by ambulance and later airlifted to a Toronto area hospital where he remains in serious condition.

The OPP say the man suffered multiple injuries and say he could have been physically assaulted or struck by a vehicle.

If you have any information you are asked to call (705) 645-2211.