Police are investigating after a two-vehicle collision in Innisfil sent four people to hospital.
According to South Simcoe police, on Wednesday, at around 6 p.m., two vehicles collided in the 10th Sideroad and 14th Line area of Innisfil.
Officers say the collision caused one of the vehicles to roll over.
Police say as a result, four people were taken to a local area hospital.
Officers say two people were then airlifted to a hospital in Toronto.
According to police, the other two were treated for their injuries and released.
Police say the road was closed for several hours while officers investigated, however, the cause of the collision has not yet been determined.
Officers are currently investigating if seatbelt use, speed, road conditions and stop sign compliance were factors in the collision.
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