A man is fighting for his life in a London hospital following a crash involving a pickup truck and a UPS truck on Highway 9 near Brockton Wednesday.

OPP say the driver of the pickup truck was travelling on Bruce Road 20 and failed to stop at the intersection on Highway 9, colliding with the other truck.

The driver of the UPS truck, a 48-year-old man from Arran-Elderslie, sustained life-threatening injuries. He remains in critical condition.

The 18-year-old driver of the pickup truck from South Bruce, was extricated from his vehicle and taken to hospital with serious injuries.