Update from Garda statement 12.30pm:
Gardaí in Blanchardstown are appealing for witnesses following a traffic collision in Coolmine, west Dublin.
At approximately 9.30am Gardaí were called to a scene at the incident at Coolmine road at near the train station. Two male pedestrians aged 54 and 19 were seriously injured when the struck by a car. A female pedestrian also sustained minor injuries. They were both taken by Ambulance to Connolly Hospital. The driver of the car failed to remain at the scene.
During a follow up operation Gardaí arrested a man in his late 30s a short time later. He is currently detained for questioning in relation to the incident under Section 4 of the Criminal Justice Act, 1984 at Blanchardstown Garda Station.
The road is currently closed for technical examination and local diversions are in place. Garda Forensic Collision Investigators have been requested to examine the scene. Rails services at Coolmine Station are not affected.
Anyone with information is asked to contact Blanchardstown Garda Station 01-6667000 or the Garda Confidential Line 1800 666 111.
Gardai are at the scene of a "serious road traffic accident" in Blanchardstown which occurred earlier this morning.
The Journal reports that a car mounted the pavement near Coolmine Railway Station just after 9.30am, hitting two pedestrians before leaving the scene.
Coolmine Road is currently closed in both directions and the extent of injuries to the two pedestrians is not currently known.
More to follow...