A pedestrian was taken to hospital with life-threatening injuries after being struck in Mississauga Thursday evening.

The collision happened around 5:26 p.m. near Dundas Street and Tomken Road. Police say the circumstances remain unclear, while the vehicle involved stayed at the scene.

Westbound Dundas Street is closed west of Tomken Road as officers investigate. Police are advising motorists and pedestrians to avoid the area while the investigation continues.