Follow NBC News' live coverage as Iran responds to Hezbollah leader Hassan Nasrallah's killing in an Israeli strike.

Hassan Nasrallah, the longtime leader of Iran-backed Hezbollah, was killed in an airstrike in Lebanon's capital Beirut.

President Biden said, "Nasrallah and the terrorist group he led, Hezbollah, were responsible for killing hundreds of ...

Hassan Nasrallah was a dominant political and military leader in the Middle East who has been on Israel’s kill list for ...

The single-most-important leader in Iran’s constellation of allied militias, turned the Shiite militant group into the ...

Hezbollah confirmed Saturday that its leader of more than three decades was killed in an Israeli airstrike in southern Beirut ...

Its intelligence had long tracked Hassan Nasrallah and it recently learned he planned to move, which would have closed the ...

Israel's killing of Hezbollah leader Hassan Nasrallah has given Iran a serious dilemma -- how to cope with the loss of a ...

Islamic republic hesitates after Israel’s assassination of Hizbollah leader deals heavy blow to its regional strategy ...

An Iranian Revolutionary Guard general, Abbas Nilforoushan, was also killed in the Israeli strike that killed the Hezbollah ...

Hassan Nasrallah propelled Hezbollah in Lebanon into one of the world’s most powerful paramilitary factions and Israel's ...

Israel dealt a massive blow to Iran when it killed Hezbollah leader Hassan Nasrallah Friday – but experts say the country is ...