Eight people have been arrested in Co Clare in connection with unofficial night time motoring events.
A woman and seven men - aged in their teens and 20s - were detained at a number of locations around the county this morning.
The drivers of modified cars were targeted as part of an intelligence-led operation.
It follows an event at the Corkscrew Hill in Ballyvaughan on the night of March 7 last - which was attended by 70 vehicles.
The group in custody are being held under Section 4 of the Criminal Justice Act at Kilrush, Ennistymon, Ennis and Shannon Garda Stations.