Rape, killing and looting are increasing as tribal tensions escalate in Sudan’s troubled Darfur province, the United Nations’ top envoy to the country said on Wednesday, despite a peace deal he had helped broker. U.N. envoy Jan Pronk described an attack by a rebel faction led by Abdel Wahed Mohammed al-Nur, whose members mostly come from the Fur tribe, on a group of women refugees to illustrate his point. Full Story