Sarnia police want to speak to the driver of a red Ford Escape and a pedestrian after a person was struck on Michigan Avenue at the Howard Watson Nature Trail.
Police say it happened at around 6:45 p.m. Tuesday.
The driver got out to speak with the pedestrian, and both left the scene. Police were called shortly after by a witness.
The driver is described as a male in his 50s, a description of the pedestrian hasn't been released.
Anyone with information is asked to contact Constable Mark Berger at 519-344-8861 ext. 6156.