Iran’s Supreme Leader Ayatollah Ali Khamenei said his country would not surrender and warned the U.S. against taking military action. Amid President Donald Trump’s increasingly hostile rhetoric and Israel’s attacks on Iranian weapons and nuclear sites overnight,

Israeli strikes on Natanz, Fordow and Isfahan pose little regional radiation risk but could release plumes of toxic chemicals, experts said.

Israel has escalated its bombardment of Iranian cities, including Tehran's state television headquarters; Iranian missiles have struck Tel Aviv.