An overnight collision has claimed the lives of two teenagers in downtown Windsor.
The Ontario Special Investigations Unit is investigating the circumstances of the crash.
The SIU says around 1:20 a.m. Sunday, Windsor police officers observed a Dodge Charger go through a red light at the intersection of Park Street and Ouellette Avenue.
The officers attempted to stop the vehicle, but the Charger continued to travel northbound on Ouellette Street, and then eastbound on Riverside Drive.
At the intersection of Riverside Drive and Glengarry Avenue, the Charger became involved in a collision with a Chrysler mini-van and a Toyota SUV.
There were four people in the Charger said the SIU in a release. One occupant, a 19-year-old man, was pronounced dead on scene. Two other occupants of the vehicle were taken to hospital, including a 17-year-old male who succumbed to his injuries.
An occupant of the Toyota was also taken to hospital, but the nature of their injuries is not yet known the SIU said.
Four investigators, two forensic investigators and one collision reconstructionist have been assigned to the case.
The SIU says autopsies are scheduled for Monday in London.
Riverside Drive East between McDougall Street and Louis Avenue remained closed in both directions for the investigation.
The Windsor Police Service said as the Ontario Special Investigations Unit has invoked its mandate; it is unable to provide any comment.
The SIU is an independent government agency that investigates the conduct of officials that may have resulted in death, serious injury, sexual assault and/or the discharge of a firearm at a person.
The SIU is urging anyone who may have information about this investigation, including video or photos, to contact the lead investigator at 1-800-787-8529 or online at: https://siu.on.ca/en/appeals.php