SIOUX FALLS, S.D. (AP) - Sioux Falls police are investigating an armed robbery at a local casino.

Authorities say a male entered the Dollar Bill's Casino about 10:30 p.m. Tuesday, showed a handgun and fled on foot with an undisclosed amount of money.

Police describe the suspect as a light skinned male, six feet tall, thin build and wear a grey hoodie with a black stocking cap.