A woman has been rushed to hospital after being struck by a vehicle near Dufferin Street and Steeles Avenue.
The incident occurred on the border of York Region and Toronto so both police services are investigating the crash that occurred around 2 p.m. Tuesday.
The woman believed to be in her late 40s suffered life-threatening injuries and was taken to hospital via an emergency run.
The driver involved remained on the scene.
Several lanes on Steeles were closed off for an investigation, but have since reopened.