His rise was the culmination of decades of planning and outmanoeuvring of opponents, turning a movement into the Sinwar show. In prison in Israel, this violent and calculating man became more systematic in his thinking,

The Hamas leader who was killed by Israeli forces in Gaza, Yahya Sinwar, was the mastermind behind the Oct. 7 attack on Israel that sparked the war.

The Israeli military confirmed on Thursday that Hamas leader Yahya Sinwar, the chief architect of the militant group’s deadly October 7, 2023, terror attack that set off the war in Gaza, had been killed in battle.