The Special Investigations Unit (SIU) is looking into an Englehart incident.
According to Temiskaming OPP, police and Temiskaming District Emergency Medical Services responded to a call at a Seventh Avenue residence in Englehart around 3 p.m. June 23.
An Englehart man, 48-year-old Andrew Parker, was charged with assaulting a peace officer, and resist a peace officer.
"While in custody, the accused complained of an injury and was transported to the hospital for a medical examination," reads an OPP news release.
The SIU was notified and its mandate has been invoked.
The SIU is a civilian agency that investigates incidents involving police when there is a death, serious injury or allegations of sexual assault.
Police say the accused was released with an appearance notice and is scheduled to appear in a Temiskaming Shores court Aug. 25.