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

Israel has killed Hezbollah's leader - but this may bring the region one step closer to a much wider conflict.

Iran's Supreme Leader Ayatollah Ali Khamenei was placed in a secure location after Hezbollah leader Hassan Nasrallah's ...

Hezbollah has confirmed the death of its leader Hassan Nasrallah, as fears grow of the conflict at the Israel-Lebanon border ...

Iran perceives the assassination of Hassan Nasrallah as a significant humiliation, marking the second severe loss for the ...

Israel struck multiple targets in Lebanon on Sunday, after it struck a huge blow by killing the Iran-backed Hezbollah group's ...

Supreme Leader Ayatollah Ali Khamenei has been taken to a secure location inside Iran amid heightened security, sources told ...

Israel has killed another key Hezbollah chief as its bombardment continues in Lebanon, after the Lebanese militant group’s 32 ...

Lebanon’s Hezbollah group confirmed on Saturday that its leader and one of its founding members, Hassan Nasrallah, was killed ...

Araghchi's remarks came two days after the Friday strike on Iran-backed Hezbollah's bastion in the Lebanese capital that ...

President Biden called the killing of Hassan Nasrallah "a measure of justice for his many victims," while Iran's supreme ...