6 men have been arrested on suspicion of being involved in organised crime.
It follows a number of planned searches in the South Kilkenny/Waterford area early this morning.
Gardai say a number of items were seized during the operation.
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The men range in age from being in their late 20s to their early 40s.
They are being held at a number of garda stations under section 50 of the Criminal Justice Act.
The operation was launched from Thomastown Garda Station early today and a number of items were seized during the operation.
Garda say investigations are continuing.