Thunder Bay Police investigating a disturbing early morning robbery at the Best Western Hotel on West Arthur Street. At approximately 4:30 this morning, a man entered the building and proceeded to spray the staff with a chemical agent. He then ran off with an undisclosed amount of money. The suspect is described as six feet tall with a thin build. He was wearing a blue hoodie and jacket, blue jeans and white runners. Any one with information is asked to call Thunder Bay Police or Crime Stoppers. The hotel staff received minor injuries