Riek Machar yakiriwe nka "nyenicubahiro" atahutse muri Sudani Yepfo Ikibazo c'inzara muri Sudani Yepfo kiriko kirarangira Umunya Sudani Yepfo yatsindiye agashimwe ka Onu Yavuze ko ubu hari ibikorwa n'umuhate wo kubaka inzego z'ubuyobozi zikomeye mbere y'amatora ya 2021.
