A top Iranian military leader who oversees dealings between Tehran and groups like Hezbollah has not been heard from since an attack that killed a Hezbollah official last week.

Oct 6 (Reuters) - Iran's Quds Force commander Esmail Qaani, who travelled to Lebanon after the killing last month of Hezbollah leader Sayyed Hassan Nasrallah in an Israeli airstrike, has not been heard from since strikes on Beirut late last week, two senior Iranian security officials told Reuters.

The commander of Iran's Quds Force, Esmail Qaani, has gone missing following his trip to Beirut, which has been targeted by Israeli strikes, according to The Times of Israel. After Israel eliminated Hezbollah leader Hassan Nasrallah in strikes in Beirut,

"The flights at some airports of the country will be canceled from 21:00 tonight (1730 GMT), Sunday, October 6, until 6:00 a.m. tomorrow, October 7," according to IRNA state news agency

The fate of the rumored successor to slain Hezbollah leader Hassan Nasrallah was unknown Friday after he was targeted in an Isaeli strike.

Israel is drastically widening its fight against the Lebanese militant group that is backed by Iran, whose supreme leader said that “any strike on the Zionist regime is a service to humanity.”

As Israel continues its ongoing war in Gaza and its offensive against Hezbollah in Lebanon, the Middle East continues to await Israel's vowed response to Iran's recent ballistic missile attack. NBC News' Matt Bradley reports from Beirut and breaks down the events leading to the strong possibility of Israel striking Iran.