Defense Minister Israel Katz confirmed that Israel is responsible for the killing of Hamas leader Ismail Haniyeh in Tehran. This marks the first public admission of this attack. Defense Minister Israel Katz publicly admitted for the first time that Israel is responsible for the death of Hamas leader Ismail Haniyeh,

Hassan Nasrallah meanwhile was the leader of the Iran-backed Lebanese group Hezbollah - he was assassinated in Beirut in September as Israel dramatically escalated its military campaign against Hezbollah, with which it had been trading near daily cross-border fire since the day after the 7 October attacks.

Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

The Israeli official threatened to take similar action against the leadership of the Houthi rebel group in Yemen.

Israeli Defense Minister Israel Katz admitted on Monday (December 23) for the first time publicly to Israel's killing of Hamas leader Ismail Haniyeh in Iran in July, further risking tensions between Tehran and its arch-enemy Israel in a region shaken by Israel's war in Gaza and the conflict in Lebanon.

Hamas on Monday said the Israel Defense Forces killed or wounded at least 50 people in an air and ground assault on the Nuseirat refugee camp in central Gaza. ABC News’ Ines de La Cuetara reports.