(AFP)- Empty streets, body searches and tips to police embody the fear that Boko Haram has instilled in northern Cameroon, where they killed more than 40 people in suicide bombings in July. Raiders from the Nigerian sect later kidnapped 135 villagers and killed eight others in a pre-dawn strike across the border last Tuesday, police and local sources said. Boko Haram has attacked villages in Cameroon’s Extreme North region for about two years, but the horrific bombings mark a change of tactics, while Cameroonian troops have joined a regional force to tackle the Islamists.