17 year old Keane Mulready Woods was killed and his body dismembered in January.
A man in is 40s has been arrested this morning as part of the investigation into the murder of the Drogheda teenager.
In January, Keane's remains were discovered in a sports bag dumped in a residential area in Coolock and in a burnt out car abandoned in Drumcondra.
It's believed the murder is related to a gang feud Drogheda.
The man who has been arrested is currently being detained at Drogheda Garda station and can be held for up to 7 days.