In a new statement Saturday, Armed Forces spokesman Col. Ahmed Mohammed Ali said that helicopters had provided air cover for what was "the biggest security operation" in the northern Sinai in years. He said troops had arrested suspected militants in at least seven villages but did not specify how many were in custody.
Ali's statement, posted on his official Facebook page, also said that 118 houses had been demolished in the operation by Saturday. Troops have seized three weapons caches containing explosive belts, anti-aircraft missiles, mortar launchers, RPGs and bombs.
Officials say that the military is hunting hundreds of militants believed to be responsible for a series of attacks in a region they overran after the fall of autocrat Hosni Mubarak in 2011. Since the overthrow of Islamist president Mohammed Morsi, Sinai has witnessed a spike of deadly and near-daily attacks. The militants, the officials say, belong to a number of well-known al-Qaida-inspired groups that seek the establishment of an Islamic Caliphate in northern Sinai, a region bordering Israel and the Gaza Strip.
On Saturday, residents witnessed columns of trucks and armored vehicles pouring into the area. Some said they hadn't seen soldiers on foot in their villages in decades. Communications were jammed for hours, as authorities seized control of two telephone exchanges. After an assault that lasted more than six-hours, the military said the strikes had killed at least nine suspects.
Over the past weeks, Egypt's military has bulldozed homes along the Gaza border and caved in tunnels beneath them as a prelude to the possible creation of a buffer zone to reduce weapon smuggling and illegal militant crossings.