Home World Australia Hamas leader dead: Israel says Yahya Sinwar, mastermind of October 7 attacks,... World Australia Hamas leader dead: Israel says Yahya Sinwar, mastermind of October 7 attacks, died in IDF attack By - October 18, 2024 1 0 FacebookTwitterPinterestWhatsApp SOURCE :- THE AGE NEWS Hamas leader Yahya Sinwar, who was the mastermind of the October 7 terror attack on Israel, has been killed by the IDF.