The man was arrested in Dublin on Thursday
A man arrested as part of an investigation into the murder of Keane Mulready Woods in Co. Louth has been released without charge.
The 17 year old boy was killed in Drogheda in January last year.
A man in his late 20s was arrested in Dublin on Thursday morning and was being questioned at a Garda station in Louth.
A file will be prepared for the DPP.

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