The province's Special Investigations Unit is asking for witnesses after a collision over the weekend in Strathroy.
A Strathroy-Caradoc police officer tried to pull a car over on the 402 Sunday, when it crashed at Colonel Talbot Road, around 1am.
The 38 year old male driver suffered a broken ankle.
The SIU has assigned five investigators, two forensic investigators and a collision reconstructionist to probe the circumstances of this incident.
Anyone who may have witnessed this incident is asked to call 1-800-787-8529 extension 1988.