Raids take place on opposite sides of Dublin
Gardaí have arrested two men in Dublin in connection with two separate armed robberies.
A man in his 30s is being held in Ranelagh after a post office in Dundrum was raided.
A firearm and a sum of cash have been recovered.
Another man is being questioned by gardaí in Howth in connection with the attempted robbery of a building society at Sutton Cross.
It is understood that gardaí are still searching for a second raider in the Howth area.
