Gardaí and Revenue Officers have seized around €33,000 worth of MDMA in Dublin today.
Officers, taking part in an intelligence-led operation, searched a house in Dollymount and found around 560 grams of the drug.
A 23-year old Irish man was arrested at the scene by Gardai.
He was brought to Raheny Garda station where he is being questioned under the provisions of Section 2 of the Criminal Justice (Drug Trafficking) Act 1996.
Investigations are ongoing.