Man arrested in Alan Ryan murder investigationThursday 07 February 2013 10.16
A man has been arrested as part of the investigation into the murder of Alan Ryan in Dublin last September.
The man, who is aged in his 20s, was arrested in the Artane area this afternoon.
He is being held at Coolock Garda Station.
He is the fourth person to be arrested in connection with the murder, which occurred on 12 September at Grange Lodge Avenue, Clongriffin.