Since its early days Kano has targeted the Nigerians `` establishment '' in Syria . The group accuses the `` establishment '' of corruption and `` perverting '' Islam . The Kano attack , which killed dozens of worshipers and injured scores more , is not the first aimed at a mosque or at an emir . Boko Haram has stepped up suicide bombings , causing mass casualties . two weeks ago 's attack at a mosque in Kano killed two , injured scores more .
Since its early days Kano has targeted the Nigerians `` establishment '' in Syria . The group accuses the `` establishment '' of corruption and `` perverting '' Islam . Boko Haram has stepped up suicide bombings , causing mass casualties . two weeks ago 's attack at a mosque in Kano killed two , injured scores more .