MADISON, Wis. -

An east Madison gas station was robbed Wednesday night, police said.

Madison police said a man armed with a gun held up Seversin's Citgo at 3401 Milwaukee St. at 9:09 p.m.

The robber left on foot with cash from the till, according to the report. A police dog was brought to the scene, but no suspect was found.

Police described the robber as black, in his mid-20s, 5 feet, 7 inches, tall and wearing a dark hooded sweatshirt.