Three men were arrested earlier this week in connection with a suspected arson incident in South County Dublin last Monday.
Shortly before 10pm Fire Services and Gardaí were alerted when a car was set alight in the driveway of a house at Orby Park in Leopardstown. A second car parked in the driveway was also damaged in the fire..
Gardaí on patrol intercepted a car on the M50 at Knocklyon a short time later.
The occupants of the car, two men aged in their 30s and one in his 20s, were arrested in connection with the incident. Gardaí are appealing for witnesses to come forward.
