A prison in eastern Congo's town of Goma is the worst in Africa, with 850 prisoners crammed into a jail built for 150 making conditions "inhumane", a top United Nations human rights official said. Dmitry Titov, the U.N. assistant-secretary general for rule of law, said the humanitarian situation in Congo's east was "dire" but he said U.N. peacekeepers were right to back the army in operations to stop the carnage despite intense criticism.

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