In a separate conflict, Congolese rebels declare a cease-fire and plan to join government forces.
Ugandan rebels have massacred hundreds of villagers in the past month, blazing a trail of terror through neighboring Democratic Republic of Congo, a major human rights watchdog said in a press release Friday.
Meanwhile, officials over the weekend hailed progress toward peace in a separate conflict in Congo (formerly Zaire), after several ethnic Tutsi rebel officers agreed to a cease-fire.
Human Rights Watch reported that the Lord's Resistance Army (LRA), a vicious group that abducts and employs child soldiers in its long-running fight against the Ugandan government, committed atrocities against civilians while fleeing Ugandan-led military assaults last month, according to Reuters.
Agence France-Presse quoted one Human Rights Watch official who underscored the barbarity of the LRA's attacks.
A Human Rights Watch press release documents in chilling detail atrocities committed by the LRA, as described by witnesses and survivors.
According to the Center for Defense Information, a Washington-based think tank, the Lord's Resistance Army has been active in northern Uganda since the mid-1980s.
In a separate conflict in Congo, hopes for peace were raised when officers of the main ethnic Tutsi rebel group, the National Congress for the Defense of the People, declared a cease-fire in their fight against a progovernment militia, and said the group would now join government forces.