ALCOA, Tenn (WVLT) -- Alcoa Police are searching for a gunman who robbed the Long John Silver's restaurant on South Calderwood Highway Monday morning.

The surveillance video shows the armed man leading the worker to the safe in the office.

Detectives say the suspect gained access to the building by telling the employee to open the door, saying he knew the district manager..

The suspect took money and fled the store.

Minutes later police got the 9-1-1 call.

"A lady called from long john silver's, she was actually in the cooler, where she had went after the robbery had taken place," Detective Kris Sanders said. "She was instructed by the suspect to go in the cooler and wait before calling police."

Alcoa Police are trying to determine if this robbery in connected to a robbery of the Long John Silver's on Clinton Highway in Knoxville on August 11th.

If you have information, call Alcoa Police at 865-380-4715