Israel strikes Iran's nuclear facilities, but an expert cautions that the heavily protected Fordow site remains a dangerous threat that only U.S. military capabilities can neutralize.

The International Atomic Energy Agency had initially said that the Friday attack had destroyed the aboveground part of the Natanz fuel enrichment plant, but its latest statement indicates more significant damage.

The Fordow facility is home to thousands of centrifuges, crucial to Iran’s weapons-grade uranium enrichment program, and is located 295 feet underground beneath a mountain. Israel is thought to have neither the munitions nor the aircraft to destroy it from the air, while the U.S. does .

Israel unleashed airstrikes across Iran for a third day and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.

Explosions rang out across Iran’s capital as Israel claimed it was attacking the country. People in Tehran, Iran, awoke to the sound of the

Explosions reported in capital Tehran as Israeli Defence Minister announces "pre-emptive strikes" and announces state of emergency

By Alexander Cornwell and Parisa Hafezi TEL AVIV/DUBAI (Reuters) -Israel and Iran attacked each other for a fifth straight day on Tuesday, and U.S. President Donald Trump urged Iranians to evacuate Tehran,

Iran and Israel continued to exchange attacks into Tuesday amid the latest round of conflict between the two nations.