Hamas is set to free six more Israeli hostages Saturday from the Gaza Strip, but the exchange for hundreds of Palestinian prisoners is shadowed by heightened tension between the adversaries that clouds the future of the fragile ceasefire deal. As preparations moved forward Friday, Israeli Prime Minister Benjamin Netanyahu vowed revenge for a cruel and malicious violation of the agreement centred on the wrong identification of a body released by Hamas. The family of Shiri Bibas said Israeli forensic authorities had confirmed that the remains released overnight are those of Israeli mother of two small boys. Her body had been released by militants Friday after one set of remains handed over Thursday had been misidentified as hers but later determined to be an unidentified Palestinian woman. Three other bodies returned were confirmed as those of Bibas' sons and Oded Lifshitz, who was 83 when all were taken hostage during the Oct. 7, 2023, attack by Hamas that killed 1,200 in Israel and