The hold-up happened on Valentine's Day, at 10:30 p.m. on the 7200 block of Germantown Avenue.
One suspect points a gun at people while a second suspect gets money from the register.
Polie say all three suspects fled in a dark sedan.
A tail light appears to be damaged, and a door is a different color on that vehicle.
Anyone with tips is asked to call the police.
------
Send a News Tip to Action News
Learn More About 6abc Apps