Sinn Fein Leader Says He'll Urge I.R.A. Not to Retaliate for Killing.

Reports on the death of a Catholic man in Belfast, Northern Ireland. Sinn Fein Party President Gerry Adams' appeal to the Roman Catholic guerrilla organization not to retaliate for the killing; How the death hightened tension in the country; Details on the plan to establish a North-South Ministerial Council which would give the Irish Republic more influence in northern affairs.