A teenager who was arrested in connection with the fatal stabbing of a 17-year-old boy in Tallaght has been released without charge.
A file is being prepared for the Director of Public Prosecutions.
Reece Cullen died at Tallaght Hospital on Thursday following an incident at a house in Kilclare Crescent in Jobstown.
It is understood he was stabbed after a row broke out at around 3pm.
Reece, who was originally from the Old Bawn area of Tallaght, had been staying with friends when he died.
His mother died last September.