Latest developments relating to the Kosovo crisis:

_Yugoslavia signals its eventual acceptance of a new peace plan agreed to by Russian and Western powers, but the state-controlled media predicts the negotiating process could be lengthy and insists NATO first stop its bombing campaign.

_Russia's special envoy for the Kosovo conflict prepares to head to the Yugoslav capital and follow up on the peace plan.

_Cluster bombs explode in a market and a hospital complex in Yugoslavia's third-largest city, reportedly killing at least 15 people and injuring dozens. NATO reports ``substantial strikes'' in Nis, including two rounds of attack on the airport, but does not confirm hitting the center of the city.

_The Army commander for the three U.S. soldiers released from prison in Yugoslavia says they were armed with a .50-caliber machine gun and three smaller weapons at the time of their capture but were overwhelmed by a Serb ambush before they could fire. Maj. Gen. David Grange says the soldiers were in Macedonia, about 1 1/2 miles south of the Yugoslav border, when they were captured.