Abdallah Abu Shamala, head of Hamas's Navy in Gaza, and Fadi Abu Mustafa, a senior tunnel engineer in the Khan Yunis Brigade, were killed during IDF strikes on Wednesday, the military confirmed in a joint statement with the Shin Bet (Israel Security Agency) on Thursday.The operation followed Hamas's violation of the ceasefire agreement and was guided by joint intelligence. According to the IDF and ISA, Abu Mustafa also took part in holding hostages captive, including Nimrod Cohen and David