Gardai seized 6kg of cocaine worth approximately €430,000 in a operation in Donacarney, Co Meath yesterday.
Two men in their mid-thirties were arrested and are being held in Drogheda Garda station under section 2 of the Drug Trafficking Act.
Another man was detained in a follow up operation when a car was stopped nearby. A small amount of cocaine was found in the vehicle.
He is being held in Balbriggan Garda station.