York Regional Police say a motorcyclist was rushed to hospital after a crash involving an SUV in Vaughan on Saturday.
Police first tweeted about the incident, which happened in the area of Rutherford Road and Highway 400, around 6 p.m.
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The motorcyclist was taken to Sunnybrook Hospital in Toronto with life-threatening injuries, police said.
There is no word on what may have led to the crash.
Images from the scene showed a blue motorcycle with significant damage, including a detached wheel.
A traffic pole was also knocked down.