Police say the man jumped the counter at the Artisan's Bank branch in the 11 hundred block of Pulaski Highway around 10:30pm, pulled a gun and demanded cash from a teller.
He got away in a white van.
Police describe the robber as about 30 years old, 5'10" and 160 pounds, wearing black clothing and a black mask.
Anyone with information can call Troop 2 or CrimeStoppers.
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