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

Hezbollah’s leader Hassan Nasrallah’s death left a void at the top of the world’s most heavily armed nonstate militia. WSJ's ...

Israel killed Hezbollah leader Sayyed Hassan Nasrallah in a powerful airstrike in Beirut, dealing a heavy blow to the ...

Hassan Nasrallah, the leader of Hezbollah, the most powerful Iranian-backed militant group in the Middle East, was killed by ...

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

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

Iran on Saturday called for an emergency meeting of the UN Security Council following the killing of Hezbollah leader Hassan ...

Iran is highly likely to retaliate aggressively against Israel if Israel has successfully eliminated Lebanese Hezbollah ...

Short of bombing Tehran, there was no bigger escalation available to Israel than attempting to kill Hassan Nasrallah, the ...

Iran has announced that a prominent general in its paramilitary Revolutionary Guard sanctioned by the U.S. died in an ...

Experts think it is unlikely Iran will escalate the conflict and that it will instead focus on rebuilding Hezbollah and ...

Conservatives have blamed moderate Iranian officials over the killing, and demanded direct retaliation against Israel ...