Boko Haram militants murdered residents who refused to accept their extremist beliefs, the country’s leader has said Gunmen have killed at least 191 people in separate attacks on villages in central and northern Nigeria amid an escalation of a long-running security crisis that has gripped Africa’s most populous country. The group raided the villages of Woro and Nuku in the central state of Kwara on Tuesday, killing more than 170 people after setting homes and shops on fire, according to local