A 10-year-old girl has been rushed to hospital with life-threatening injuries after she was struck by a vehicle in Ajax.

It occurred near Seward Drive and Marriner Crescent at around 8:30 a.m.

Police say the 10-year-old girl is receiving treatment at a Toronto hospital.

Roads are closed in the area as police investigate the incident. 

The vehicle involved in the collision remained at the scene, police confirmed.