Congo police arrest at least four activists protesting massacres

Police in eastern Democratic Republic of Congo arrested at least four people on Saturday who were protesting the failure of government and U.N. peacekeeping 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 hea