Revenue officers at Dublin Airport have seized 8kg of herbal cannabis, with an estimated value of €160,000.
The cannabis was discovered with the assistance of detector dog Scooby in a shipment from Spain.
Revenue say investigations are continuing with a view to a prosecution.
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This is the second seizure by Revenue in the capital today.
Officers earlier confiscated 7,000 contraband cigarettes in the Finglas area of the city.
The smuggled cigarettes - branded 'Rothmans' and 'L&M' - were seized during a routine operation.
Revenue say the two parcels originated in Greece.