 Ibohero rya Islamic State Islamic State yarakoze genocide Abasirikare ba Amerika bemeje ko barondeye kwica Abu Muhammad al-Adnani, ariko ko bari bagitohoza ku boba basize ubuzima mu gitero cindege co ku musi wa kabiri mu gisagara ca Al-Bab, mu buraruko bushira ubuseruko bwintara ya Alep. 