Ahavuye isanamu, Getty Images Insiguro y'isanamu, Nubwo hateje akaga, abakerarugndo ntibabura kujya i Koure kureba utu dusumbashyamba twonyine dusigaye muri Afurika y'Iburengerazuba Imitwe yitwaje intwaro, irimo Boko Haram, n'indi ifitanye isano na al-Qaeda na Islamic State, imaze kwiyongera muri aka karere ka Sahel aho ikorera ibikorwa by'ubugizi bwa nabi.
