Officers from the St. Louis County Police Department’s Affton-Southwest Precinct are investigating a robbery that occurred at about 3:45 a.m. today — Monday, July 4 — at a Circle K convenience store at 9988 Tesson Ferry Road.

The suspect displayed a firearm and took cash and cigarettes, according to police. The suspect is described as a black male, 30 to 35 years old. He should be considered armed and dangerous, police said.

The robbery is being investigated by the St. Louis County Police Department’s Bureau of Crimes Against Persons. Police ask anyone with information about the suspect or the robbery to contact CrimeStoppers at (866) 371-TIPS (8477).