Yatanguje intambara mu 2009 Abagera ku bihumbi barishwe, ahanini mu buraruko bushira ubuseruko bwa Nigeria, abandi bagera ku majana bafatwa mpiri , harimwo abakobwa bo mw'ishure rya Chibok 200 Bahavuye bahanvya umurwi Islamic State, biyita 'intara ya Islamic State yo mu burengero bwa Afrika' Bafashe igice kini ni c' Ubuseruko bushira uburaruko bwa Nigeria bise 'caliphate' canke ubutaka bw'Abayislamu Igice kinini Boko Haram yari yarifatiye caragarujwe n'ingabo za Leta.
