Revenue and customs in Northern Ireland have said they have uncovered two separate laundering plants in south Armagh in the last week with the capacity to produce almost 18m litres of illicit diesel a year.
The first plant, at a private residence in the Derrynoose area of Armagh, was dismantled last Friday.
The second, at a commercial premises in Crossmaglen, was found on Tuesday during searchs by customs officers and the PSNI.