Chief Superintendent Harry Breen and Superintendent Bob Buchanan were shot dead in 1989 in south Armagh.

BBC: Dublin reporter

Chief Supt Harry Breen and Supt Bob Buchanan died in an ambush in south Armagh shortly after they left a meeting at Dundalk garda station.

BBC: Smithwick tribunal hearing in Dublin adjourned

It was set up to examine allegations of Garda collusion in the murder of RUC Chief Superintendent Harry Breen and Superintendent Bob Buchanan in 1989.

BBC: Smithwick tribunal deadline - victims group 'concerned'