GEORGINA, Ont. -- York Regional Police are appealing to the public for witnesses following a fatal collision in south-central Ontario on the weekend.

Police say they responded to a call in Georgina, Ont., for a report of a vehicle off a roadway near Baldwin Road just before 6 a.m. on Saturday.

When they arrived, police say the victim, described as a 28-year-old man from Georgina, had been ejected from the car and was already dead.

Investigators say they believe the man was driving down the road at 4:30 a.m. when, for unknown reasons, he left the roadway.

Police say the investigation is ongoing.

Anyone who may have dashcam footage of the collision is asked to come forward.