A man in his 20s has been arrested as part of the investigation into the murder of teenager Keane Mulready-Woods in Drogheda, Co Louth last year.
The man was arrested in Dublin this morning and is being questioned at a garda station in Co Louth.
Two men have been charged with the murder of the 17 year old and have been sent forward for trial at the Special Criminal Court.
Keane Mulready-Woods was last seen in Drogheda on 12 January 2020.
Some of his remains were recovered in Dublin the following day and earlier this year more remains were found close to Rathmullen Park in Drogheda.