A 25-year-old Cambridge woman was killed in a head-on collision involving a sedan and a tractor-trailer in Norfolk County on Tuesday morning, Ontario Provincial Police say.

Officers from the Norfolk County OPP detachment, along with paramedics and firefighters, were called to Brantford Road at approximately 6:44 a.m. following reports of the two-vehicle crash.

The sedan’s driver sustained life-threatening injuries and was pronounced dead at the scene. The tractor-trailer driver was not injured.

Brantford Road, between Windham Centre Road and Windham Road 7, was closed for several hours as investigators examined the crash site. The road reopened at approximately 5 p.m.

The investigation remains ongoing, and police are appealing to witnesses who may have information about the collision to come forward.