Herbal cannabis with a street value of approximately €230,000 has been detected at Portlaoise Mail Centre.
The drugs were discovered in three separate consignments by Revenue officers and a detector dog named Stella.
The team found 6kg of herbal cannabis in a wicker box which originated in Thailand, 4kg of the drug in a parcel of plastic bottles from Nigeria, and 1.5kg in a parcel of toys from Spain.
Investigations are ongoing following the discoveries.