Two people were injured, one critically following a serious collision in Chatham-Kent overnight.
Police say around midnight that an officer on patrol was flagged down by a man on Pinehurst Line in regards to the collision.
Emergency crews were called in and a 38-year-old Richmond Hill man and a 48-year-old Chatham woman were taken to hospital.
The woman has been transferred to London with life-threatening injuries.
The collision is under investigation. Police have not said how many vehicles were involved.
