Egyptian military forces isolated Wednesday Sheikh Zuwaid City and cut the international road between Al-Arish and Sheikh Zuwaid cities in North Sinai, in the framework of the army's war against terrorism in Sinai, Al Bawaba news reported. Local residents of Obaidat area reported hearing shooting sounds and smokes, whilst security forces defused three explosive devices at Kharouba area, planted by terrorists. Meanwhile, security forces have imposed strict security measures on all Arish's churches, in anticipation of any terrorist attacks.