The Palestinian militant group Hamas has chosen Yahya Sinwar, its top official in Gaza who masterminded the October 7 attacks in southern Israel, as its new leader. Sinwar, a secretive figure who leads Hamas’ hardliners and is close to Iran, is at the top of Israel’s kill list after the attack which left 1200 people dead and about 250 taken hostage. Hamas said in a statement on Tuesday that it had named Sinwar as the new head of its political bureau to replace Ismail Haniyeh, who was killed in Iran last week in a presumed Israeli strike. Also last week, Israel said it had confirmed the death o…