Two people have been airlifted to Toronto hospitals following a head-on crash involving a van and a sport utility vehicle northwest of the city.

The Ontario Provincial Police report that the collision between an eastbound Ford Escape and a westbound Dodge Caravan occurred on Highway 9, west of Concession 11, at 3:18 a.m. on Sunday.

Police say the man driving the Escape was rushed to hospital in Orangeville, Ont., before being airlifted to Toronto’s Sunnybrook Health Sciences Centre. The 22-year-old Bolton, Ont., resident suffered serious injuries.

Meanwhile, the 57-year-old man who was driving the Dodge Caravan was also taken to hospital in Orangeville. But he was then airlifted to St. Michael’s Hospital. Police say the King City, Ont., resident was in critical condition.

A second male passenger who was riding in the van was taken to a hospital in Newmarket, Ont., with minor injuries.

The crash remains under investigation by the OPP.