Netanyahu says Israel must defeat Hezbollah in UN speech amid calls for cease-fire [Video]

In a defiant address to the United Nations General Assembly on Friday, Israeli Prime Minister Benjamin Netanyahu vowed that his country was committed to defeating both Hezbollah and Hamas — giving a pointed warning to the groups’ chief backer, Iran.

“I have a message for the tyrants of Tehran,” Netanyahu said. “If you strike us, we will strike you, there is no place. There is no place in Iran that the long arm of Israel cannot reach.”

Appearing to back up Netanyahu’s words with action, the Israeli military carried out what an Israeli Defense Force said was “a precise strike on the central headquarters of the Hezbollah terror organization” in Beirut shortly after he finished his address on Friday.

Multiple sources told ABC News the target of the attack was Hezbollah’s leader, Hassan Nasrallah.

It was not immediately clear whether the strike was successful, but the scale of the bombing …