Police say an unidentified man claimed he was inside the casino with firearms and explosives.
Officers swarmed the casino and evacuated a portion of the property.
Large police presence seen outside Borgata in Atlantic City
Chopper 6 was overhead just before 5:30 p.m. where more than a dozen police cruisers were stationed outside.
Drivers were prevented from entering the casino as police investigated.
Police say no suspicious individuals or devices were located. The validity of this threat is still under investigation.
Patrons have since been allowed back into the building and officers have cleared the scene.
Anyone with information on this incident is asked to call Atlantic City police.