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Over the few months leading to 2014, the Egyptian army gained the upper hand in the battle against militias that had found safe haven in the peninsula. After isolating and largely clearing the populated northeastern Sinai, the army put many militant factions on the defensive, most notably Ansar Bait al-Maqdis. However, one thousand armed militiamen were still sheltering in the main stronghold in Jabal Halal, as well as Jabal Amer area.