Three pedestrians have serious injuries after they were struck by a vehicle in Willowdale.

Emergency crews were called to Yonge Street and Empress Avenue, near Finch Avenue East, just before 8:15 a.m. on Friday.

Toronto police said the vehicle hit three people — one male, one female, and a third victim whose gender is not yet known.

The vehicle then rolled over and hit a building, striking a gas line. Hydro crews have been called in.

The driver remained at the scene.

A second vehicle was also seen at the intersection but it is not yet known how it became involved in the crash. Traffic Services is investigating.