Gardaí investigating the murder of Ciaran Noonan have arrested a man in his 20s in the Dublin area.
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 4 November 2011.
He had been missing from Russell Avenue, East Wall in Dublin since 20 October 2011.



















