Authorities in Sioux Falls are looking for a man they say robbed a business late Friday night. The robbery happened at a business at 46th Street and Western Avenue around 11:55 p.m. According to Sgt. Michael Olson, the suspect entered the business with his hand in his pocket, as if he was holding a weapon, and demanded money. The suspect emptied the cash register, and then fled on foot. No one was injured during the robbery.