Ten people have been arrested by Gardaí in the Kilkenny-Carlow Division under Operation Clave.
The operation, carried out at 14 premises across county Carlow, aimed to detain people identified during Test Purchasing Operations.
Nine men and a woman are being held at Carlow, Thomastown and Kilkenny Garda Stations.
34 people have been arrested and detained across the division over the past two days, as part of the ongoing operation.