Police are investigating a death in Sarnia, after finding a 34-year-old woman deceased. On Friday morning at about 6:30 a.m., police conducted a wellness check at 125 Front Street North to check an unresponsive female. She was brought to London Health Sciences for a post mortem investigation, and the cause of death remains under investigation. Police are asking anyone with information to contact Det. Const. Tori McDonald at 519-344-8861 x 6253.