At least 600 people die in clashes between Murle and the ##m tribes . A World Food Programme office is attacked and a medical clinic is partially destroyed . Ban Ki - moon urges the government of South Sudan to restore security in Jonglei .
At least 600 people killed in clashes between Murle and Lou Nuer tribes . A World Food Programme warehouse is looted and a medical clinic is partially destroyed . Ban Ki-moon urges the government of South Sudan to restore security in Jonglei .