Five people were in garda custody last night after heroin worth an estimated £200,000 was seized by National Drugs Unit detectives.
A man and a woman in their 20s were arrested in Naas, Co Kildare, and three men were arrested at an address in Crumlin, south Dublin, early yesterday morning.
The five are being questioned at Store Street and Crumlin garda stations under the Drugs Trafficking Act.