The funeral mass for Cameron Reilly has heard an appeal for anyone with information on the teenager's death, to come forward.
Over a thousand mourners have attended the mass at St Brigid's Church, in Dunleer in County Louth.
The 18-year-old's body was found in a field near the town over a week ago.
A post-mortem revealed he had been murdered.
Fr Michael Murtagh says the community has been left heartbroken:
"This community is suffering with you. The whole parish community has been shocked, stunned and deeply saddened. We have never had to deal with this sort of incident before."
He also appealed to those who may have information on Cameron's death to come forward.
"You know that the Gardai have the respect of the whole community here in Dunleer, and I would ask you to talk to each other.