Israeli military investigating ‘possibility’ Hamas leader Yahya Sinwar was killed in Gaza NBC NewsIsraeli official: Sinwar was killed in strike on building in Rafah The Times of IsraelWhat We Know About The Fate Of Hamas Chief Yahya Sinwar Barron’s‘Gaza’s Bin Laden,’ Hamas leader Yahya Sinwar likely killed in Gaza, Israeli officials say The Jerusalem PostIsrael is DNA-testing a body from Gaza to see if it’s Hamas’ top leader Sinwar, an official says The Associated Press