Nairobi 's President accepts the national police chief 's resignation . Kormey said the quarry attack was retaliation for mosque raids . 2011 , the non-Muslim militants ambushed a bus and killed 60 . Last month , the Islamist militants ambushed a bus in Kenya and sprayed bullets on those who failed to recite Quran verses , killing at least 28 people , authorities said . The international community has rallied to battle the militants .
Nairobi 's President accepts the national police chief 's resignation . Kormey said the quarry attack was retaliation for mosque raids . 2011 , the non-Muslim militants ambushed a bus and killed 60 . The international community has rallied to battle the militants .