The army also destroyed 56 underground hideouts in different locations, namely south of Arish, Sheikh Zuwayed and Rafah. Blankets, mattresses, clothes as well as four motorcycles, and three four-wheel drive cars equipped with machine guns were discovered in the hideouts.
On Monday, the army spokesperson Mohamed Samir indicated that 13 terrorists were killed in gun battle with army forces.
As many as 30 improvised explosive devices that can be planted on moving targets were also neutralized or destroyed northwest of Mount Halal, reports say.
Army forces also discovered 50 anti-tank mines, a location used to store explosives. They also seized materials used to manufacture IEDs, including 100 plastic barrels of explosive materials and five bags of ammonium nitrate, Samir revealed.
Egyptian security and army forces have been facing repeated attacks from Islamists in the Sinai following the overthrow of Islamist President Mohamed Morsi in 2013.
The Islamists who pledged allegiance to the Islamic State (IS) in 2014 vowed to bring down President al-Sisi’s regime.