A masked man walked into a bank in the heart of Old Town Alexandria on Saturday morning, implied he had a gun and walked out with cash, police said.

The robbery happened about 10:50 a.m. at the BB&T branch at 300 S. Washington St.

Police describe the suspect as about 6 feet tall and 170 pounds, wearing dark pants, a dark shirt and a Halloween mask of an elderly man.

Investigators ask anyone with information about this robbery to call Detective Thomas Buckley at 703-746-6837 or the Criminal Investigations Section at 703-746-6711.