A 51-year-old woman was sent to London hospital in critical condition after being hit by a vehicle on London Road Thursday night.
Sarnia police responded just before 8 p.m. to London Road between Murphy Road and Pontiac Court.
Police say the pedestrian was trying to cross the road and was hit by an eastbound vehicle.
A passenger was taken to Bluewater Health for treatment of minor injuries.
Members of the traffic division along with the Criminal Investigation Division are investigating, and it's unknown whether charges will be laid.
The road remained closed until just after midnight.
Anyone with information is asked to call Sarnia Police Detective Allison Knapp at 519-344-8861, extension 6203.
