The Special Investigation Unit is trying to determine if North Bay police officers hurt a woman while arresting her.  And it’s asking people who saw anything to call the SIU.  The 59-year-old woman was arrested September 17th when police responded to a disturbance on Lake Heights Road.  The SIU says during the arrest the woman was seriously injured.  Witnesses are asked to call the SIU toll free at 1-800-787-8529.  Also anyone with video of the incident, is asked to upload it through the SIU website.