Cobb County police are investigating an armed robbery that occurred Sunday at Taco Bell at 5161 South Cobb Drive in Smyrna.

Employees were working in the rear of the business at 10 a.m. when a man appeared from a wood line and approached them wielding a long-barreled gun.

The robber demanded money, and fled with an undisclosed amount of cash. He is described as a dark-skinned black male between 25 and 30 years old wearing all dark clothing and a mask.

Anyone with any information is asked to call Cobb police at 770-499-3945.