The province’s Special Investigations Unit is looking into the death of an 81-year-old man who died Wednesday after his vehicle collided with an unmarked police vehicle.

The collision happened around 4:45 p.m. near York Mills and Upjohn roads, the SIU said in a news release Thursday.

The elderly man was rushed to hospital with serious injuries, where he was later pronounced dead.

The SIU has assigned four investigators, one forensic investigator and a collision reconstructionist to look into the crash.

The SIU is an arm’s length agency which is called in to investigate anytime a police officer is involved in a death