A man entered the store with a handgun and demanded money from the clerk.
Frederick Police responded to an armed robbery just after midnight on Saturday at the Snack Shack located in the 400 block of North Market Street.
Officers arrived at the store after receiving a report of a man entering the store with a handgun and demanding money from the clerk. The man fled on foot with an undisclosed amount of cash.
Police searched the area but were not able to locate the suspect.
The man was wearing a long-sleeve yellow plaid shirt, light-colored blue jeans, black hat and a gray mask covering his face.
Police are asking anyone with information to call (301)600-2100.