(Updated at 5:00 p.m.) Police are investigating a robbery at the United Bank at 5335 Lee Highway.

The bank was robbed just before 2:15 this afternoon. The suspect is being described as a 5’9″ white male, possibly of “Hispanic or Middle Eastern background,” about 50 years of age. The suspect implied, but did not display a weapon.

Armed police officers surrounded the bank for a few tense minutes while they awaited word on whether the suspect was still inside the bank. As it turns out, the suspect fled on foot before police arrived on scene.

The bank is located at the corner of Lee Highway and N. Harrison Street, next to a Harris Teeter supermarket and two blocks from a BB&T bank that has been robbed twice this summer. This is the seventh bank robbery in Arlington since the beginning of June.

Arlington Police issued the following statement about the robbery this afternoon.

ARLINGTON, VA. – The Arlington County Police Department’s Robbery Unit is seeking the public’s help to identify a man who robbed an Arlington bank this afternoon.

The suspect entered the United Bank in the 5300 block of Lee Highway at approximately 2:10 p.m. on Tuesday, August 9, 2011. He implied that he had a weapon and demanded money. After receiving cash, the suspect fled on foot.

The suspect is described as a white male, possibly of Hispanic or Middle Eastern background, brown hair, approximately 50 years old and 5’9” with a thin build. At the time of the robbery he wore a dark striped polo shirt, khaki pants, a light colored “driving” hat and sunglasses.

Anyone who has information about this robbery or the identity of the suspect is asked to call the Arlington County Police Department Tip Line at 703 228-4242, or Detective Donald Fortunato at (703) 228-4197. Det. Fortunato can also be reached by email at [email protected]