 ONU iragiriza imigwi yitwaje ibigwanisho gushaka gutera u Burundi Babiri baguye mu ntambara muri komine Mugamba Fabien Banciryanino umushingamateka mu Burundi uvuka mu ntara ya Bubanza, yavuganye na BBC saa kumi nigice kwisaha ya Bubanza ari ku Musenyi muri iyi Ntara, ari gukurikirana ibiri kuba. 