Israel may have launched missile strikes in retaliation against Iran.

US officials said Israel launched missile strikes on Iran in retaliation for Tehran's attack on its territory.

Iran's Fars news agency reported today that three large explosions occurred at a military base in the city of Ghahjaworstan, northwest of Isfahan in central Iran, but the cause remains unclear.

A senior U.S. official later told ABC News that Israel had launched missile attacks on Iran in retaliation for the April 13 attack. The target of the attack and the extent of the damage are currently unclear.

Images shared on social media show anti-aircraft missiles intercepting an attack over the city of Isfahan, home to one of Iran's nuclear facilities.

The IRNA news agency confirmed that Iran's air defense system was activated over several provinces to counter "suspected drones." All of Iran's nuclear facilities were confirmed to be undamaged.

Press TV reported that the situation in Isfahan remained normal, with no explosions on the ground. The explosions were recorded when air defense systems activated to intercept objects in the sky.

Israel launches missile strike in retaliation against Iran. — Iranian air defense systems intercepted missiles in the city of Isfahan. Video : *X/Henmazzig*

Iran has imposed a no-fly zone over the cities of Isfahan, Shiraz, and the capital Tehran. International flights at Imam Khomeini Airport in Tehran have been suspended until 2 PM on April 19th. CNN reported that some aircraft have been diverted from Iranian airspace.

Israeli military radio reported that several high-ranking officials from the country's security forces are gathered at the Kirya military base in Tel Aviv. According to the station, the Iranian Islamic Revolutionary Guard Corps (IRGC) has placed its entire base on the highest level of alert.

Israel has not yet commented on the incident.

The Israeli attack was anticipated, after Iran launched more than 300 missiles and drones at Israel on April 13 in retaliation for the airstrike on the Iranian embassy in Syria earlier this month.

Israel intercepted most of the drones and missiles in Iran's first direct attack on its territory after years of tense confrontation. Tel Aviv subsequently vowed retaliation, despite calls from many countries for Israel to refrain from military action that could escalate tensions in the Middle East.

Speaking at the United Nations Security Council on April 18, Iran declared that Israel "must stop any military adventures against our interests." Iranian Foreign Minister Hossein Amir-Abdollahian stated that Iran would respond "immediately and to the maximum extent" if Israel launched a retaliatory strike.

The UN Secretary-General warned that the Middle East is in a "moment of extreme danger," with both Iran and Israel teetering on the brink of miscalculation that could drag the entire region into a devastating war.