The Parkland RCMP is investigating a serious motor vehicle collision that happened Mar, 23 afternoon in Spruce Grove, a community 11-kilometres west of Edmonton.
Police say preliminary findings suggest a Stony Plain Community Peace officer attempted a traffic stop with a red sedan that was speeding.
The vehicle turned westbound onto Highway 16a, running multiple lights before colliding with a minivan.
Both the driver and passenger of the minivan were taken to the hospital with serious, life-threatening injuries.
Officers say the driver and passenger of the sedan were taken to hospital with serious but non-life-threatening injuries.
