https://www.ynetnews.com/article/b1poibdv9
Analysis: One year on after Operation Guardian of the Walls, Hamas and Islamic Jihad are trying to find innovative ways to attack Israel, including digging...
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https://www.middleeasteye.net/news/israel-palestine-war-gaza-tunnels-flooding-seawater
US officials informed of Israeli plans to flood network of tunnels as seawater pumps installed north of besieged enclave, says Wall Street Journal report
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