Sena y’Uburundi yasabye ministri w’abakozi n’umurimo gusobanura ibibazo bireba abakozi ba leta ONU ihangayikishijwe n’ishyirwa mu bikorwa ry’igihanho cy’urupfumuri Amerika Muri Nijeriya abantu 147 baguye mu mpanuka y’ikamyo yari itwaye peteroli