Gardaí in Shankill have arrested a man in his 40's in connection with the investigation into the death of a 12 year old boy in Killiney this evening.
The boy's death occured at around 6.30pm at a house in Bayview Rise, Killiney.
The man is currently being detained under section 4 of the criminal justice act at Shankill Garda Station.
The body of the boy is still at the scene and the Technical Bureau and the State Pathologist have been called.