WATCH: Israel says Iran's security chief Ali Larijani killed in overnight attack

Israel's Defense Minister said Iran's Supreme National Security Council chief Ali Larijani was killed in an overnight attack, along with a paramilitary leader, though the claim has not been independently confirmed. Larijani held one of Iran's most senior security positions and advised the country's top leadership on defense and nuclear matters. His death, if confirmed, would represent a significant blow to Iran's national security apparatus during an period of escalating regional tensions. The killing marks an apparent expansion of Israel's military operations against Iranian targets and officials. Iran has not yet publicly commented on the claim.