Military and police witnesses at the new Bloody Sunday inquiry in Derry will be identified, it emerged last night.
But three RUC officers will be permitted to give evidence from behind a screen because of special dangers they face, according to a tribunal ruling.
Some relatives of the 13 unarmed Catholics shot dead by British paratroopers in the city in January 1972 - a 14th died later in hospital - immediately declared the decision as an important victory.
The new inquiry headed by Lord Saville will get under way in the city in September and is expected to last at least a year.