Three vehicles were detained during a multi-agency operation outside Donegal Town as part of a coordinated effort involving Gardaí, the Road Safety Authority, Revenue, and Customs. The stop was part of a broader initiative to enhance road safety and enforce regulations. The vehicles were taken off the road for further investigation. No incidents were reported during the operation. The joint effort highlights increased collaboration between different agencies to address road safety concerns in the area. The operation took place on a main road near the town. Authorities did not comment on the specific reasons for detaining the vehicles.