Sioux Falls police are investigating a Casino robbery.
It happened around 6:30 Friday night at the Lucky Strike Casino on the 1-thousand block of North Minnesota Avenue.
When the clerk turned around, he reached into the till and grabbed cash.
Police say a man was playing the machines, then went to the counter for a drink.
He's described as a white man in his early 20s, 5 foot 8 inches tall, weighing about 145 pounds.
If you have any information call Crimestoppers at 367-7007.