A suspect device found under a car at a garage in Ballymena has been declared nothing untoward.
Two controlled explosions were carried out during the security alert in the Pennybridge Industrial Estate.
A number of nearby premises were evacuated.
Police later said the device was not an explosive.
Chief inspector Stephen McCauley said: "The suspicious object was not an explosive device. We are confident that there is no cause for concern for the local community."