ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: A bomb explosion and hails of gunfire in Nigeria's northern Kaduna state on Sunday left the two alleged attackers dead and several wounded.<br/> <br />The blast rocked the area around an Islamic school run by Salafist cleric Awwal Adam Albani, known for his outspoken criticism of militant Islamist group Boko Haram.<br/> <br />There was no immediate claim of responsibility for the bomb attack.<br/> <br />Boko Haram, which wants to carve out an Islamic state in northern Nigeria, has been blamed for more than 1,000 deaths since its insurgency intensified in 2010.<br/> <br />Security analysts say Boko Haram has forged links with other jihadist movements expanding cross West Africa like al-Qaeda in the Islamic Magreb, a group formed in Algeria and now based in northern Mali.<br/> <br />Apart from the attack on the U.N. headquarters in the Nigerian capital Abuja last August, Boko Haram's focus has been mainly on local targets.
