(IRONWOOD, MI.)–Investigators in Ironwood providing more information on the fatal fire. The latest information is 51-year old Mark Verrete, 57-year old Patrick Somerville and 27-year old Levi Watkins were victims in the two story building fire. Three others were injured, suffering non-life threatening injuries. Three other people involved in the fire were injured, that investigators said are non-life threatening injuries. The Chief of Ironwood Public Safety said they brought in Cadaver dogs to assure their investigation is complete. The cause of fire continues to be investigated.