Two people have died , two others sent to hospital in life-threatening condtion after a multi-vehicle crash on Highway 417 on Sunday afternoon. Investigators say a 36-year-old man being pursued in the vehicle is one of the deceased, and Paramedics confirm a female was pronounced dead at the scene. Police say she was a 62-year-old woman in another vehicle.

Paramedics report a man in his 20s was taken by Ornge air ambulance to the trauma centre in critical but stable condition. Another male in his 20s was taken by land ambulance and listed in serious but stable condition. Ontario Provincial Police say the crash happened around 1 p.m. when a vehicle was travelling the wrong way in the westbound lanes of the highway.

According to Ontario's Special Investigations Unit, the vehicle turned onto  the highway after being pursued by officers on Highway 17. Officers have not disclosed details of the chase, but say it was abandoned once it was deemed unsafe.

The SIU says one Ottawa Police officer has been deemed the subject of their investigation, with two OPP officers and another Ottawa Police officers considered witnesses. The SIU also says the two injured men, aged 27 and 28, are now in non-life threatening condition but remain in hospital.

OPP said the highway between Panmure Road and Kinburn Side Road has since been reopened.