Officers stopped a Polish registered truck which came on a ferry from France and found the cigarettes within its load.
They have a retail value of €2.4 million, which is a potential loss to the exchequer of over 1.8 million.
A man in his 40s is being questioned as part of the investigation.
Man Withdraws Appeal Against Severity Of Sentence After Threatening To Kill Simon Harris And Family
Offender issued a letter of apology to Harris. A 50-year-old man expressed remorse in court and wished he had never sent the message to the former Taoiseach
Taylor Made For Ultimate Farewell - Katie Takes In Croker Before Big Announcement
Wicklow and Ireland will stand to acclaim the legendary Bray Bomber Katie Taylor in her farewell date in September in her dream setting of Croke Park
Wicklow TD Stands Down From AI Chair Amid Drink-driving Investigation
"I am stepping down totally without prejudice to the ongoing legal process arising from my arrest on suspicion of drink driving." Malcolm Byrne TD
Nature Minister Condemns ‘illegal’ Fire within Wicklow Mountains
"Nesting season is a time for growth and for the future survival of our rarest birds and wildlife. That makes this act particularly cruel.”
Wicklow RNLI Rescue Stricken Pair After Capsize Of Rowing Boat
Wicklow RNLI crew launch quick rescue after two people stranded in Wicklow harbour on Wednesday
6:00am - 8:00am
Heavy Rain
High: 16°C | Low: 12°C
Heavy Rain
High: 16°C | Low: 12°C
Heavy Rain
High: 17°C | Low: 11°C
Heavy Rain
High: 17°C | Low: 11°C
Heavy Rain
High: 16°C | Low: 11°C