Security forces on Saturday defused a roadside bomb in al-Arish, North Sinai, leaving no damages or casualties, Almasry Alyoum reported. Unidentified militants have planted the bomb near the ring-road, the sources said, adding the surrounding area had been combed for fear of other potential threats. since the ouster of the former president Mohamed Morsi, July 2013, a string of deadly blasts, mostly in the Sinai Peninsula, have hit police and military personnel causing numerous casualties.