OPP say a serious head-on collision has resulted in life-threatening injuries Thursday morning.
The crash took place around 7:30 a.m. on the Highway 3 between 1st Ave and Balaclava bypass in St. Thomas.
Police investigation has revealed that a Chevy car was following a tractor trailer going westbound. Police say the Chevy car pulled out to pass tractor trailer and collided head on with an east bound Mazda car.
The 65-year-old female driver from St. Thomas of the Chevy car was taken to hospital with life-threatening injuries.
The driver of the Mazda car, a 35-year-old female from London, was transported to hospital with serious injuries.
The Hwy 3 bypass remains closed until later this afternoon as OPP Technical Traffic collision investigators assist with the investigation.
