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

Nasrallah, who headed Hezbollah for more than three decades, is by far the most powerful target to be killed by Israel in ...

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 ...

Hezbollah leader Hassan Nasrallah, who transformed the Lebanese militant group into a potent paramilitary and political force ...

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

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

Longtime Hezbollah leader Hassan Nasrallah was killed in an Israeli airstrike on Beirut, the Lebanese militant group ...

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

Nasrallah took over as leader of Hezbollah in 1992 after Israel assassinated the group's previous leader and cofounder Abbas ...

The Israeli military said it carried out a precise airstrike on Friday while Hezbollah leadership met at their headquarters ...

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