A shot was fired during a robbery of the Subway in Brainerd on Sunday night.
A few minutes before 9 p.m., officers with the Chattanooga Police Department responded to a robbery from business/shot fired call at the Subway at 5517 Brainerd Road.
A man carrying a long gun entered the Subway and fired a shot into a microwave.
He took an undisclosed amount of money and fled on foot.
The black male was wearing a black hoodie, black pants and had a purple backpack.
Witnesses on the scene are cooperating with investigators.
No injuries were reported.
Members of the Violent Crimes Bureau are investigating all leads in the case.