Congo police detain at least four activists protesting massacres

Police in the Democratic Republic of Congo briefly detained at least four people on Saturday protesting the failure of government and U.N. forces to prevent repeated massacres, the United Nations said. The government and United Nations have blamed almost all of the attacks on a Ugandan Islamist rebel group, though analysts say others, including some Congolese army soldiers, are also involved. About 15 people were protesting peacefully outside the U.N. peacekeeping mission's headquarters in the e