Tehran has denied it seeks nuclear weapons and said it was willing to accept some curbs in exchange for sanctions relief.

The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

The official reportedly said Iran would seriously consider sending half of its most highly enriched uranium abroad, diluting the remainder, and participating in the creation of a regional nuclear enrichment consortium.

The U.S. has said the White House wants to ink a deal with Iran but has alluded to military action if no agreement is signed.

The US has amassed an arsenal of military assets in the Middle East that would allow it to launch an aerial bombing campaign against Iran

US-Iran News Live: Tensions reach a boiling point as Trump weighs a massive air campaign against Tehran. With over 50 F-35 and F-22 jets deployed and the USS Gerald R. Ford strike group inbound, Poland’s PM has urged citizens to leave Iran “immediately.

President Trump held a Board of Peace meeting in Washington, D.C. on Thursday. This comes as tensions rise in the Middle East surrounding Iran's nuclear capabilities. CBS News' Ed O'Keefe and Charlie

Ayatollah issues warning as nuclear talks under way – but president says Tehran will never abandon its enriched uranium programme