There's been widespread condemnation, after shots were fired near a west Dublin school.
It happened outside the Community College on Blanchardstown Road North at around 3.40pm this afternoon.
Gardaí said a lone gunman appeared to target a man in his 20's, who was waiting outside the school.
The gunman ran in the direction of Corduff Grove and no people were injured in the incident.
However a number of people were arrested at the scene, and released following searches.
Gardaí at Blanchardstown carried out a number of searches in the Corduff area, but no further arrests have been made.
Superintendent William Carolan has condemned the "reckless" and is appealing to any person in the vicinity of the Community College between 3.00pm and 3.40pm to contact Gardaí at Blanchardstown Garda station.
In particular, Gardaí are looking for any person driving along Blanchardstown Road North or Corduff Grove who may have dashcam footage to make contact.
They're also appealing for anyone who observed any unusual activity in the vicinity of the Community College in recent days to make contact with Blanchardstown Garda station at 01-666-9700, the Garda Confidential Line at 1800-666-111 or any Garda station.