An off duty garda overpowered a man who was carrying a lump hammer and a blood filled syringe in north Dublin yesterday afternoon.
The officer was in the Irish Permanent Building Society branch, on Drumcondra Road at 3.15 p.m. when the man came in and threatened staff.
The garda overpowered the man and, assisted by staff, held him until other gardai came. The man was being questioned at Mountjoy station last night.