A 76-year-old Cambridge woman suffered life-threatening injuries in a head-on crash in Flamborough Sunday afternoon.

The crash happened around 1:07 p.m. in the westbound lanes of Highway 5, west of Brock Road.

She was driving a Toyota Corolla when it was hit by a Dodge Ram pick-up truck being driven by a 21-year-old Cambridge man.

Ontario Provincial Police said the woman was airlifted to a local hospital, while the man was not injured.

The cause of the crash is under investigation.