Inama nshingamateka y’Uburundi yemeje umushinga w’itegeko rigenga isubirwamo ry’imbibe z’intara, amakomine, amazone n’imitumba Perezida Joe Biden, yashoje inama yamuhuje n’abakuru b’ibihugu by’Afurika Indwara z'imirire mibi zibasiye bamwe mu bana bari munsi y’imyaka 5 mu nkambi zo muri Tanzaniya