High-end cars, a van, documents, cash and electronic devices have been seized by the Criminal Assets Bureau following searches in Co Monaghan today.
The CAB says it has been investigating a group suspected of being involved in "various international smuggling activities" for over a year.
They say the investigation has 'intensified' in the past two weeks.
Last Tuesday, CAB detained a Northern Ireland registered tractor unit, a curtainsider trailer at Dublin Port.
They also detained a Bulgarian registered tractor unit and trailer.
Today, searches were carried out at 10 separate sites in Co Monaghan - seven homes and three yards / industrial sheds.
Among the items seized were:
- 192 (2019) X5 BMW M Sport
- 2016 X5 BMW
- 2014 VW Transporter Crew Cab 2.8 litre
- Mitsubishi Shogun
- Documents and records
- Electronic Devices
- Cash (€1,400 euros, $900 dollars and Sterling £600)
In a statement, gardaí said: "The Criminal Assets Bureau was supported today by the ERU, the Stolen Motor Vehicle Investigation Unit (NBCI), the Revenue Customs Dog Unit and the Garda National Immigration Bureau.
"No arrests were made on this occasion. The investigation by CAB is continuing."
They also noted that their investigation is not linked to the ongoing Essex Police investigation into the discovery of 39 bodies in a lorry in England.