WorldAt least 9 anti-polio campaigners including women killed in NigeriaAreeb HasniFebruary 9, 2013February 9, 2013 by Areeb HasniFebruary 9, 2013February 9, 2013 Kano: At least nine anti-polio campaigners were shot dead in northern Nigeria by gunmen suspected of belonging to a radical Islamist sect....