The drugs were discovered during a search of parcels.
Over €360,000 worth of drugs have been seized in Athlone.
The 18.4 kilograms of Herbal Cannabis were seized by Revenue Officers during an examination of parcels at a premises in the town.
The illicit drugs were discovered with the assistance of detector dog Enzo in parcels originating from Spain, which were intended for addresses in Dublin and Meath.
Various quantities of other illegal drugs, with an estimated combined value of almost €95,000, were also seized as a result of risk profiling, during the examination of parcels at a premises in Dublin.
Retail goods, with an estimated value of approximately over €52,600, were also seized due to infringements of Intellectual Property Rights.
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