The robbery occurred at 12:51 p.m. at the Citizens Bank, located at 1000 S Easton Rd in the Cedarbrook Plaza.
According to police, after entering the bank the suspect approached the teller window and handed the employee a demand note which implied that he had a weapon.
The teller complied with the demands, handing over a bag of money. What the suspect didn't know is that the teller included a dye pack with the cash, and upon exiting the bank the pack exploded.
The suspect dropped the money bag as a result of the explosion and was last seen running north through the Plaza.
The suspect is described as a black male, 18-24 years of age, 5'7-5'9, 160 pounds, beard, tattoos on his left arm, and an ace bandage and glove on his right arm and hand. He was wearing a white baseball hat, black T-shirt, light colored shorts and head phones wrapped around his neck.
Police say the suspect purchased the ace bandage seen on his arm at Walmart shortly the robbery. He also entered a Modell's Sporting Goods store where he purchased a pair of sneakers and the white hat that he wore in the robbery.
Anyone with information pertaining to the identity or whereabouts of the suspect is urged to call authorities at 215-885-1600 ext 499 or submit a tip anonymously at ext 777.