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.

Only the U.S. military has the 30,000-pound bomb capable of reaching the facility and the bomber that can carry it.

Democratic senators voiced concern over Israel's strikes in Tehran targeting Iran's nuclear sites with mixed reactions after retaliatory missile attacks on Tel Aviv.

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

Israel launched blistering attacks on the heart of Iran's nuclear and military structure Friday, deploying warplanes and drones previously smuggled into the country to attack key facilities and kill top generals and scientists -- a barrage it said was necessary before its adversary got any closer to building an atomic weapon.

Israel's attack on Iran raises questions like whether the US will get involved, how Iran will respond, and if a wider conflict may be triggered.

Israel’s defense minister warned Saturday that “Tehran will burn” if Iran continues firing missiles on Israel after at least three people died and dozens were wounded Saturday morning, following a series of blistering Israeli attacks on the heart of Iran’s nuclear program and its armed forces.