The incident took place at the People's Bank located inside the Stop & Shop supermarket at 2145 Fairfield Ave., around 10:30 a.m., said Terron Jones, spokesman for the Bridgeport Police.
During the robbery, a short black male, between the ages of 45 to 55, walked in a put a box on the counter, told the teller there was a bomb inside and demanded money, Jones said.
No one was injured during the incident.
Police did not offer details on what was in the box and if it contained an explosive device.
Anyone with information, including the identity of the person responsible is asked to contact Det. Frank Delbouno at 203-581-5234 or the Bridgeport Police Tips Line at 203-576-8477.
Click here to follow Daily Voice Brookfield and receive free news updates.