A man has been arrested after an oil laundering plant was uncovered in Co Monaghan.
In an intelligence-led operation last night, Revenue officials - supported by the gardaí - uncovered the facility at Drumboat in Inniskeen.
The plant had the capacity to launder approximately 20 million litres of fuel per year.
The plant and a mobile oil laundry concealed in an oil tanker were found in a commercial yard.
Image: Revenue
50,000 litres of laundered fuel, three oil tankers, two stationary tanks and support equipment were seized from the site.
Toxic waste was also uncovered in the operation.
One man (42) was arrested and was taken to Carrickmacross garda station.
Revenue say investigations are ongoing with a view to prosecution.