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

Israel is firing strikes into Lebanon as the conflict in the Middle East intensifies. Israel believes it has eliminated ...

Nasrallah was assassinated in Hezbollah's underground headquarters in a Beirut suburb by the Israeli Air Force with ...

The last 48 hours in the Middle East – in which Israel killed Hezbollah leader Hassan Nasrallah and continued to bombard the ...

Hezbollah's support for corrupt regimes in Yemen, Syria, and Iran has had a much stronger impact on the Arab masses than ...

An eerie calm on Sunday engulfed the rubble-strewn Beirut site where an Israeli air strike killed Hezbollah chief Hassan ...

The attack leveled at least two large buildings and caused heavy damage to an area spanning 1,000 feet, according to photos ...

Smoke is still rising from the smoldering wreckage where an Israeli airstrike killed the leader of Hezbollah more than two ...

Lebanon's Sayyed Hassan Nasrallah, who Israel said on Saturday it has killed, led Hezbollah through decades of conflict with ...

Tehran is faced with deciding how, or whether, to retaliate after the death of the leader of Hezbollah, the powerful Lebanese ...

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

Israel says it has killed Hassan Nasrallah, Hezbollah's powerful leader. The Iran-backed militant group has not confirmed his ...