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.

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

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 attacked Iran’s capital early Friday, with explosions booming across Tehran. The attack comes as tensions have reached new heights over Tehran’s rapidly advancing nuclear program.