Man seriously injured in multi-vehicle collision on Hwy. 401 on-ramp

Emergency crews are on the scene of a multi-vehicle collision on the Weston Road on-ramp to Highway 401. (MTO)

A man has been seriously injured in a multi-vehicle collision on a Highway 401 on-ramp in Toronto.

Ontario Provincial Police say the collision involving up to four vehicles occurred on the Weston Road on-ramp to westbound Highway 401.

Toronto paramedics tell CP24 they got the call for the collision at 8:40 p.m. and transported the victim to the hospital with serious, non-life-threatening injuries.

The cause of the collision is not immediately known.