Israel has vowed to eliminate new Hamas chief Yahya Sinwar, the alleged mastermind of the October 7 attack, with regional hostilities threatening to boil over, AFP reports.

Speaking at a military base on Wednesday, Prime Minister Benjamin Netanyahu said Israel was “determined” to defend itself. “We are prepared both defensively and offensively,” he told new recruits.

Army chief Lieutenant General Herzi Halevi vowed to “find him (Sinwar), attack him” and force Hamas to find someone to replace him.

Sinwar — Hamas’s leader in Gaza since 2017 — has not been seen since the October 7 attack, the deadliest in Israel’s history.

A senior Hamas official told AFP Sinwar’s selection sent a message that the organisation “continues its path of resistance”. Analysts believe Sinwar has been both more reluctant to agree to a Gaza ceasefire and closer to Tehran than Haniyeh, who lived in Qatar.