Gardaí are still questioning a number of men following the seizure yesterday of herion and cash with an estimated value of €1 million in west Dublin.
Gardaí from Sundrive Road Drugs Unit, assisted by detectives from Crumlin Garda Station, arrested three men in their 20s and 40s and a woman in her 40s in Walkinstown, Dublin 12 in yesterday afternoon's joint operation.
The four are being held at Sundrive Road and Crumlin Garda Stations under Section Two of the Drug Trafficking Act 1996. They can be held for up to a week before being charged or released.