One person has been airlifted to hospital and two others have been injured in what police are calling a "very serious collision" involving three vehicles in the Brampton area.

ORNGE air ambulance officials say they were called to the scene, at Queen Street and Goreway Road, around 1:30 p.m. Monday where they say a car rolled over onto a pedestrian.

Peel police say a man in his 40s was airlifted to St. Michael's Hospital in life-threatening condition. Two others were seriously injured and taken to a nearby hospital.

Queen Street is closed in both directions as police investigate.