51.   U.N. officials reportedly were negotiating a truce with Croatian Serb leaders and urging them not to attack cities.

52.   U.N. officials reportedly were negotiating a truce with Croatian Serb leaders, and urging them not to attack cities.

53.   U.N. representatives reportedly were negotiating a truce with Croatian Serb leaders and urging them not to attack cities.

54.   U.S. envoys negotiated a truce four weeks ago, but the clashes and killings have not subsided.

55.   U.S. envoys negotiated a truce four weeks ago, but the clashes and killings have resumed.

56.   Zeroual has tried to negotiate a truce with Salvation Front leaders, transferring its top two officials from military prison to house arrest.

57.   Arab-Israelis who acted as mediators later succeeded in negotiating a truce between the PLO and HAMAS, which endured the rally.

58.   But a statement from the presidential council in their self-proclaimed Herceg-Bosna republic said they would be prepared to negotiate a truce along present confrontation lines.

59.   The two-week truce was negotiated Sunday by the presidents of Burkina Faso, Chad, Gabon and Mali.

60.   Zairean rebel leader Laurent-Desire Kabila said Saturday he was ready to negotiate a truce with government forces along the lines of a UN peace plan.