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