An 80-year-old Dundas man is dead after a freak single-vehicle incident in Ancaster.

Hamilton police responded just before 8 a.m. Monday to reports of a collision involving a vehicle and a pedestrian in the area of 144 Deerview Pl., near Wilson Street East and Jerseyville Road West, in Ancaster.

Police and emergency crews found a man suffering from life-threatening injuries. He was pronounced dead at the scene. The Collision Reconstruction Unit has taken over the investigation.

A uniform police officer was first to arrive at the scene and saw a man lying on the roadway being attended to by a number of people.

The officer noticed an unoccupied pickup truck out of control in reverse. The officer, fearing for the safety of the people on the roadway, accelerated his cruiser to disable the truck by using his vehicle to pin the truck against a tree.

Once the truck was secured, the officer went to help the citizens and the man.

One citizen, identified as being an off duty physician, was providing medical assistance.

Police said the deceased man was the driver of the pickup and that the vehicle did make contact with the man. It is unclear if he died as a result of the collision or suffered from a medical emergency.

Investigators are in the process of notifying the next of kin and his identity is not being released at this time.

The man was reported to be in the area collecting recyclables as part of his normal routine, witnesses reported.

Anyone with information or who may have witnessed the incident and has yet to speak with police is asked to contact Det. Matt Hewko with the Hamilton Police Collision Reconstruction Unit at 905-546-4755.