Sioux Falls Police are investigating a Tuesday night armed robbery at Dollar Bill's Casino in the 4900 block of North Cliff.

Investigation showed that a light skinned male entered the business and displayed a weapon.  He took an undisclosed amount of money and fled southbound on foot.

The suspect was approximately 5'10" to 6' tall, wearing a grey hooded sweatshirt, a black stocking cap, jeans and dark shoes.  Anyone with information on the suspect or crime is encouraged to call 922.