Tributes have been pouring in for Fionntán McGarvey following his tragic death.
The 18-year-old was allegedly assaulted outside licensed premises in the Finaghy Road North area of Belfast in the early hours of December 27 last year.
He died in hospital on Thursday and police launched a murder investigation.
A 21-year-old man who was detained for questioning was released on Thursday evening, having been arrested earlier in the day.
Fionntán was a member of the U20 and Senior Football Panel at St Brigids GAC in South Belfast and also played for Queens University Belfast GAA.
St Brigids GAC said: "It is with sadness that we announce the passing of Fionntan McGarvey, a member of our U20 & Senior Football Panel.
"The club passes on its condolences to Fionntan’s parents, Lorcan and Aveen, his brothers Caolan and Daire, and his sister, Sorcha."
Queens GAA posted: "It is with profound sadness that we learned this morning of the passing of Fionntan McGarvey, one of our Fresher players.
"We pass our heartfelt condolences and prayers to Fionntan’s friends, team mates, and his family at this most difficult time. Ar dheis Dé go raibh a anam."
A Belfast barber tweeted: "It is with great sadness that we learn of the sudden passing of our customer and friend, Fionntán McGarvey.
"We offer our condolences and pray that his parents, Lorcan & Aveen, brothers, sister and family circle find strength over the coming days and weeks. May he rest in peace."
Fionntán's former school said: "The school community in Rathmore is deeply saddened to learn of the tragic and unexpected death of our former pupil Fionntan McGarvey.
"Fionntan was an excellent and very popular student who participated fully in school life especially enjoying Gaelic sports and soccer."
Kickham's GAC posted: Everyone at Kickhams Creggan would like to offer our sincere condolences of our fellow Gael, Fionntan McGarvey. Our thoughts and prayers are with his family, friends and all at @Naomhbridclg.
In a statement, the teenager’s family said: “We are devastated to lose our beautiful son Fionntan but take comfort that his wish to donate his organs will provide other families with hope at our time of deep loss.
“The family is grateful for the many messages of sympathy and support we have received. We would ask for privacy at this most difficult time.”
Detective Chief Inspector Raymond Phelan has urged anyone with information which could help police to come forward.
“I know there was a large number of people in the area at the time and I am appealing to anyone who may have witnessed the assault, or has any information, to come forward,” he said.
