York Regional Police have charged a young man involved in a violent, multi-vehicle crash near Thornhill's Promenade Mall.
Investigators believe drugs or alcohol were a factor in Thursday morning's crash.
An air ambulance had to be called in to take the accused to hospital.
He is clinging to life in hospital.
Authorities say the collision happened around 10:00am near Bathurst Street and Clark Avenue.
A total of 7 vehicles came together.
Police say in all, 8 people were hurt and a total 7 of them had to be taken to hospital.
An SUV could be seen leaning up against a light post with a car wedged under it.
Witnesses claim they saw a speeding vehicle in the moments before the collision.
Authorities want to speak to anyone who saw what happened.
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