 Salva Kiir na Riek Machar bemeye gusangira ubutegetsi Umuganga wo muri Sudani Yepfo yegukanye agashimwe Nansen Refugee Award Umugwi wa Onu warungitswe mu gihugu ca Sudani Yepfo wasohoye kuri Twitter ifoto yerekana isinzi ryabantu bitavye ivyo biganiro. 