Gardaí searched an industrial unit in Blanchardstown on 7 March 2012 and seized cannabis plants with an estimated street value of €400,000, arresting two men aged 29 and 24 at the scene.[1] The men were detained at Blanchardstown station under drug-trafficking legislation.[1] That afternoon, drug-unit officers searched a house in nearby Castleknock and recovered two shotguns along with a small quantity of cannabis herb and cocaine, arresting two men aged 26 and 24.[2] The Castleknock pair were detained while the firearms went for examination.[2]