Toronto tow truck driver Trevor Pogue says he was just doing his job when he came to the aid of police early Saturday morning.
Pogue was on Highway 401 when he saw a driver force a police car off the road.
Police had been chasing the car, which they said was driving at excessive speed and erratically.
"It was more adrenaline than anything," said Pogue. "Seeing what he did to a police car. [I was just] trying to help."
The incident happened at about 3 a.m. Police say they spotted a man swerving in and out of traffic at over 170 km/h.
Sgt. Simon Frasier tried to pull the driver over but, he says, the driver forced his cruiser into the ditch near McCowan Road. Pogue, who saw what happened, picked up the chase.
Not only did he follow the car in his truck, he also radioed what was happening and fellow tow truck drivers passed that information along to police.
Then "he actually got in a foot pursuit," Frasier said later. "[He] chased the man ... keeping up his location with his fellow co-workers with his two-way radio."
Police later arrested Stephen Chitty of Toronto. He has been charged with dangerous operation of a motor vehicle and driving while under suspension.