The province's Special Investigations Unit has invoked its mandate and is looking into a single vehicle rollover.
Around 11 p.m. Saturday night, OPP were conducting a RIDE program near the intersection of Nauvoo Road and Petrolia Line.
A northbound Pontiac failed to stop for officers and a chase ensued.
The vehicle left the roadway near Churchill Line and rolled into a ditch.
The male driver was taken to a London hospital for non-life threatening injuries.
A female passenger was also taken for treatment at a Strathroy hospital for non-life threatening injuries.
No police officers were hurt during the incident.
The SIU investigates matters where police are involved in situations of injuries, sexual assault or death.