 Ibiturire bituma ingwano kuri Boko Haram yikwega muri Nigeria Abasirikare batanu bishwe mu ngwano ninyeshamba muri Nigeria Mu kwezi kwa cumi, abagabo hafi 60 barishikanye ku butegetsi mu buraruko bwa Cameroun, bavuga ko bari bafashwe na Boko Haram, ibategeka kuyigwanira muri Nigeria. 