Sirens sounded in Israel as Iran launched dozens of ballistic missiles in retaliation for Israel's strikes on its nuclear facilities.

The State Department ordered nonessential staff and their families to leave the U.S. Embassy in Baghdad as tensions with Iran over nuclear talks escalate. This comes as sources tell CBS News that Israel plans to launch an operation against Iran.

Israel on Sunday issued evacuation warnings to Iranians living near weapons production facilities in Tehran as the two nations continued to exchange missile attacks that began on Friday. "The Israeli military will strike these sites and will continue to peel away the Iranian snake’s skin in Tehran and everywhere — targeting nuclear capabilities and weapons systems,

Israel's defense minister warned Saturday that "Tehran will burn" if Iran continues firing missiles at Israel. Iran's retaliatory strikes come after Israel unleashed a series of blistering attacks on Iran's nuclear program and armed forces on Thursday.