Gardaí say they will go after criminals who intended to import 35 million euro worth of cocaine, which has been seized.
Officers worked alongside Dutch police to impound two shipping containers that arrived into Rotterdam from South America, and were believed to be bound for Ireland.
Forensic scientists are working alongside investigators to work out exactly how much cocaine is inside about 2,000 bags of coal.
Garda Assistant Comissioner for Organised and Serious Crime, John O'Driscoll says Gardaí will pursue those responsible: