The Special Investigations Unit is investigating after a 32-year-old man died in police custody Tuesday.

Durham Region police were called at about noon to the area of Simcoe Street and Highway 401 for an altercation between individuals. A man was arrested and taken to hospital, the SIU said in a press release.

The man was later released and taken to a police station. At about 11 p.m., the man was found in medical distress. First aid was started and paramedics were called. The man died at the scene.

The SIU assigned two investigators and one forensic investigator to this incident. A post-mortem will take place Thursday morning in Toronto.

The SIU wants anyone who may have information about this incident to contact the lead investigator at 1-800-787-8529 .

The SIU is an arm’s length agency that investigates reports involving police where there has been death, serious injury or allegations of sexual assault.

Read more about: