Rapid City police are investigating an armed robbery.
It happened Thursday night before 10:00 p.m. at the Oak Leaf Casino in the Ramkota Hotel.
Police say the suspect displayed a handgun, and demanded money from the clerk. The clerk complied and the robber took off.
No one was hurt.
The suspect is described as a white man, 25-35 years old, approximately 5'10" and 190 pounds, wearing a black stocking cap, dark gray coat and jeans.
Anyone with information should call police at 394-4134.