Israeli troops had for more than a year hunted the leader of Hamas, who disappeared in Gaza soon after masterminding the 7 October attacks. Yahya Sinwar, 61, was said to have spent much of his time hiding in the tunnels under the Strip, along with a cadre of bodyguards and a "human shield" of hostages seized from Israel. But ultimately, it appears he met his end in a chance encounter with an Israe