Austin police have released surveillance images of two men who threatened a gas station clerk during an armed robbery at Freedom Value Center on Tuesday.

The images show the suspects with their faces covered by hooded sweatshirts and glasses. The suspects are described as black males. One male with a heavier build wore a gray hooded sweatshirt with a do-rag and glasses covering his face, while the other, skinnier male wore gray and blue clothing. Both men were described as 6 feet tall or taller.

Police say the robbers hit the gas station, located at 101 Fourth St. NW, at about 1:30 a.m. Tuesday. One of the robbers grabbed the clerk from behind and threatened to cut her with a knife if she moved. The other robber forced the clerk to put money inside a bag before the two left.

Police Chief Brian Krueger urged anyone with information to call law enforcement at 437-9400 or anonymously leave a tip through the Tip411 online app, under austinpd.