The plants, which are thought to value £150,000, were discovered when officers noticed suspicious activity while on a patrol of the town centre.They searched the Cullybackey Road property and made the find and arrested three people on suspicion of possession of class B drugs with intent to supply and cultivating a class B drug.Detective Chief Inspector Bob Blemmings said he was pleased with the seizure.He said: "This is an example of excellent on the ground policing which has resulted in a large quantity of drugs being taken out of circulation."We know that drugs are an issue of concern to people in Ballymena and PSNI have been working with the local community to tackle drug dealers head on."All illegal drugs are dangerous and can have a devastating impact on individuals, families and our communities."That is why we need those communities to continue to support us in tackling drug dealing."Anyone with information about drugs can contact police on 0845 600 8000.