UN refugee agency says it has credible reports of at least 256 deaths since October . The United Nations estimates that more than half a million people have fled their homes in Syria and Iraq to escape the violence there. UNHCR : About 88,000 people have been displaced in and around Beni , North Kivu province .
UN refugee agency says it has credible reports of at least 256 deaths since October . Human Rights Watch says witnesses tell of rebels killing people in ax and machete attacks . UNHCR : About 88,000 people have been displaced in and around Beni , North Kivu province .