It happened around 10:25 a.m. at the Citizens Bank at 48 W. Skippack Pike in the Broad Axe section of Whitpain Township.
Investigators say the suspect came into the bank with a gun and demanded money. As he left, a dye pack exploded and the robber dropped the bag.
At one point, police say, the man fired a shot. No one was hurt.
The suspect is described as a white man about six feet tall. He was wearing a yellow rain jacket and panty hose over his face.
Anyone with information about this robbery is asked to contact the Whitpain Township Detective Division at 610-279-9033 or the Ft Washington Office of the FBI at 215-641-8910.
