An OPP cruiser at the London detachment off Exeter Road.
The Perth County OPP says one person was airlifted to hospital following a collision on Highway 7 on Wednesday morning.
Police responded with Perth County Paramedics and the St. Marys Fire Department to a two-vehicle collision near the Township of Perth South.
Police say the two vehicles were travelling on the overpass on Highway 7 when they collided head-on.
One driver, a 24-year-old from London, was taken to hospital by Ornge Air Ambulance with serious, non-life threatening injuries.
The other driver, a 59-year-old from Perth South was taken to a local hospital by ambulance with serious injuries.
