Tehran faces the prospect of having to submit to a tougher negotiation on its nuclear program as its only way out of its confrontation with Israel.

European foreign ministers told their Iranian counterpart in a call on Monday to return to nuclear negotiations with the U.S. and refrain from escalating conflict with Israel, to which Iran's foreign minister said Tehran's priority was to confront Israel for now,

Iran appears ready to retaliate if it faces too much pushback. It says this could be “proportionate,” although that leaves many options open.

There will be no nuclear talks with Iran on Sunday, a senior U.S. administration official says, adding Washington still hopes Tehran will resume negotiations soon. “We remain committed to talks and hope the Iranians will come to the table soon,

Iran’s supreme leader has criticized an initial proposal from the United States in negotiations over Tehran’s rapidly advancing nuclear program.

President Donald Trump has dismissed the assessment of U.S. spy agencies that Iran wasn’t building a nuclear weapon before the latest conflict with Israel

State Department spokeswoman Tammy Bruce advised Americans against traveling to Israel, Iraq and Iran during a press briefing.