A man being questioned by gardaí in connection with suspected dissident activity in Co Louth has been released without charge.
He was arrested, along with four others, following a Garda operation over the weekend.
He was released from Balbriggan garda station this afternoon and a file is being prepared for the Director of Public Prosecutions.
One of the men arrested appeared before the Special Criminal Court on Monday charged with having explosives substances and ammunition.
The other three men who were detained were released without charge.