Two men are being quizzed after a cannabis grow house was uncovered and several suspected stolen cars seized.
A garda spokesman said the operation began when a van was intercepted at Centrepoint Business Park, Rosemount Business Park, Ballycoolin, Dublin 15.
Two men, one in his 30s and one in his 60s, were arrested and are being detained at Blanchardstown Garda Station.
In a follow-up search a unit at the business park was searched where a Hyundai Santa Fe and a VW Jetta, both believed to have been stolen in Navan last week, were recovered.
Three other cars, a motorcycle and numerous other vehicle parts were also discovered, a garda spokesman said.
"In the upstairs of the premises gardai discovered a cannabis grow house, with 95 potted cannabis plants, a 7kg bag of suspected cannabis leaf, as well growing, lighting and housing equipment," he added.
"The estimated street value of the drug is believed to be in the region of 125,000 euro.
"The operation is ongoing and the area remains sealed off for a forensic technical examination."