The operation killing Hezbollah General Secretary Hassan Nasrallah in Beirut represents a dramatic shift in Israeli strategy.

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

Israel has successfully executed a precision airstrike that killed Hezbollah's long-standing leader, Hassan Nasrallah, in ...

Iran has called for a UN Security Council meeting over the death of long-time Hezbollah leader Hassan Nasrallah. Meanwhile, ...

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

Bellicose Israeli leader tells UN ‘we are winning’ the battle against Hezbollah ahead of the airstrike – which ‘targeted’ the ...

Iran's Foreign Minister Abbas Araqchi said on Sunday that the killing by Israel of an Iranian Revolutionary Guards deputy ...

Hezbollah confirmed Saturday that the Lebanese militant group’s leader, Hassan Nasrallah, was killed in a deadly strike in ...

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

Leaders in Tehran suggested it would be the Lebanese militia that would strike back at Israel after the killing of Hassan ...

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

The military said that they carried out a precise airstrike while Hezbollah leadership was meeting at their headquarters in ...