Suspected Daesh militants on Sunday shot and killed three workers outside their homes in el-Arish Egypt has been struggling to contain an insurgency by Islamic extremists in northern Sinai EL-ARISH, Egypt: Egyptian security officials say a roadside bombing has killed three workers contracted to build a security wall in the northern Sinai city of el-Arish. The officials say another 10 workers were wounded in the explosion on Thursday. The officials blamed a Daesh affiliate, which is active in that part of the Sinai Peninsula, for the bombing. The officials spoke on condition of anonymity because they were not authorized to speak to the media. Suspected Daesh militants on Sunday shot and killed three workers outside their homes in el-Arish. Egypt has been struggling to contain an insurgency by Islamic extremists in northern Sinai. The insurgency intensified after the military’s 2013 ouster of Muhammad Mursi, an elected but divisive Islamist president.