Revenue officers seized 9 million cigarettes at Dublin port today.
The massive sting came as a result of routine profiling. Detector dog Waffle had a part to play in the find but was helped by Revenue's mobile x-ray scanner.
The packages were branded ‘Lambert & Butler and has an estimated retail value of €6.8 million.
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They represented a potential loss to the Exchequer of approximately €5.3 million.
Today's sting was part of an ongoing investigation into the sale of illegal tobacco products.
Investigations are still ongoing.
A Revenue spokeswoman said: "This seizure is part of Revenue’s ongoing operations targeting the shadow economy and the supply and sale of illegal tobacco products.
"If businesses, or members of the public, have any information regarding smuggling, they can contact Revenue in confidence on free phone number 1800 295 295."
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