local resident Abba Goni said at least 100 people were killed.Bulus Yashi, who lives in predominantly Christian Attagara, said the attack seemed to be a reprisal for when four Boko Haram gunmen were killed after they opened fire on a church, leaving nine dead.Another attempted raid on 25 May had been repelled, killing seven Boko Haram gunmen, he said.Such attacks are generally seen as a response