cairo egyptian security force monday kill five suspect militants arrest 10 others raid north country interior ministry say statement suspect plan attack public infrastructure christians link militants north sinai say raid take place alexandria qalyubiya provinces egypt regularly carry arrest raid report kill militant suspect recent months fight years-old islamist insurgency remote north sinai region president abdel fattah al-sisi order army security force restore order sinai within three months attack mosque november deadly egypt modern history islamic state suspect conduct attack 300 worshippers die security force also face attack islamists west country near border libya egypt security force kill five suspect militants north ministry