Police say a male suspect entered the Citizens Bank located at 2001 South Broad Street at 2:15 p.m. Monday.
According to authorities, the suspect presented a teller with a threatening note.
After an unsuccessful attempt in obtaining money, the suspect fled the bank in an unknown direction.
He is described as a black male, 30 years-of-age, medium build with a beard. He was wearing a white shirt, brown hat and glasses.
Anyone with information is asked to call 215-686-TIPS (8477).