Heroin with an estimated street value of €100,000 was seized last night following a planned search of a house in the west Dublin suburb of Clondalkin.
Gardaí from the Ronanstown Drugs Unit raided the house at Shancastle Park and arrested a 22-year-old man.
He is being held at Ronanstown Garda station under the provisions of Section 2 of the Criminal Justice (Drug Trafficking) Act, 1996.