Investigators are looking for an armed robber who is believed responsible for as many as four recent area hold-ups. The latest was Friday night when the comfort inn on Yeager street in Port Huron Township was robbed. The clerk on duty told deputies that the suspect entered the hotel lobby armed with A handgun, jumped over the counter and demanded he open the cash drawer. Once the suspect got money, He forced the clerk into a closet then fled out the door. The suspect is described as a black male, approximately six feet tall. Anyone with information is urged to call the capture hotline, or the major crimes unit at (810) 984-5383.