A man in his 20s was arrested this evening in relation to the murder of Ciaran Nooan.
The man is being detained at Store Street Garda Station.
He is the 12th person to have been arrested in connection with Mr Noonan’s murder.
Mr Noonan’s body was discovered in Co Meath on the 4th of November 2011.
He had been missing from Russell Avenue, East Wall in Dublin since the 20th of October 2011.