Provincial police in Toronto say a 24-year-old man is dead after his vehicle was hit by a loose wheel on Highway 401.
Police say the incident happened Wednesday morning when the wheel came off a trailer being towed by a westbound pickup truck.
They say the wheel entered the eastbound lanes and hit the 24-year-old man's car.
Investigators say they're speaking with the driver of the pickup truck.
They say the eastbound lanes of Highway 401 in a section of the Scarborough area could be closed until around 11 a.m.
Police are asking anyone who witnessed the incident or anyone with dashcam footage to reach out to investigators.