Half a million euro worth of drugs and equipment have been seized in Kildare.
The house in Celbridge was raided by Gardaí yesterday afternoon.
Officers found an industrial pill-making machine, drugs in powder and pill form as well as heroin.
Three Eastern European males in their 30's and 40's were arrested at the scene.
The illegal pill-making factory was discovered by the Drugs and Organised Crime Bureau which is investigating the Kinahan cartel.