Officers were called to the scene of the two vehicle collision on February 4th around 5:13 pm.
It was reported a minivan with eight occupants collided with a pickup with a sole occupant.
The pickup driver was airlifted to a London hospital with possible life-threatening injuries.
6 occupants of the minivan were taken to local hospital with minor injuries.
The driver and one occupant of the minivan were later airlifted to London with serious injuries.
The investigation is continuing.
Anyone with info on the incident is asked to contact the OPP or anonymously to Crime Stoppers.