A teenager arrested in connection with the fatal stabbing of Reece Cullen has now been released without charged.
Reece was assaulted with a bladed weapon in the Tallaght area of Dublin on Thursday. He was rushed to hospital but was sadly pronounced dead shortly afterwards.
Anyone with information regarding this incident is being asked to contact Tallaght Garda Station on 01 666 6000, The Garda Confidential Telephone Line 1800 666 111, or any Garda Station.