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

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

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

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

In the short term, Israel’s strike may being more chaos. But it holds the promise of a future peace.

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

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

The Iranian-backed militant group Hezbollah confirms its longtime leader Hassan Nasrallah was killed in an Israeli strike in ...

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

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

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

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