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

Hezbollah leader Hassan Nasrallah, who led the terror group for more than 30 years, was killed in an Israeli airstrike.

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

Hezbollah leader Hassan Nasrallah, who led the terror group for more than 30 years, was killed in an Israeli airstrike.

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

U.S.-designated terror group chief died in "agony" as gases from airstrike explosions gradually choked him, says Israeli news ...

Hezbollah has confirmed the death of its leader, who helped build the Iran-backed group into one of the most powerful military and political forces in the region.

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

The killing of Hassan Nasrallah, the long-time leader of the Lebanon-based terror group Hezbollah, has put Iran in a difficult situation. Let’s take a closer look at how Iran’s top leadership ...

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