Gardai will continue questioning a man in his late teens later this morning in connection with a shooting incident in O'Malley Park in Limerick on Saturday.
A masked gunman fired a number of shots at a 27-year-old man at his home in the estate.
Nobody was injured in the incident.
Gardai have conducted a number of searches as part of the investigation.
The man was arrested in the Limerick city area and is being held at Roxboro Road Garda station.