Vice President JD Vance warned Iran that there is "another option on the table" if nuclear deal talks fail, citing President Donald Trump's threats.

IAEA chief Rafael Grossi says a new inspections accord with Iran is possible but “terribly difficult”, adding that inspectors have returned but lack access to sites hit by Israeli and US forces.

NPR's Mary Louise Kelly speaks with NPR's Geoff Brumfiel and Greg Myre about the upcoming meeting between Iran and the United States.

The activity comes at a time of heightened tensions as talks between Iranian and US officials continue over Iran's nuclear programme.

Zero is how much uranium President Trump says he would allow Iran to enrich under any deal to defuse the latest crisis between Washington and Tehran. Enrichment is the process of refining uranium metal into a more potent form suitable for nuclear power or weapons. Mr. Trump’s hard-line position is known as “zero enrichment.”

WASHINGTON, Jan 28 (Reuters) - U.S. President Donald Trump urged Iran on Wednesday to come to the table and make a deal on nuclear weapons or the next U.S. attack would be far worse. Tehran responded with a threat to strike back against the United States,

The president threatened Iran with an approaching warship used in the U.S. military's Venezuela operation, urging them to make a nuclear deal.

Trump said that if Iran does not make a deal regarding its nuclear program, "we'll find out” whether Iran’s supreme leader was correct to predict that a U.S. attack on the country would spark a regional war.

Feb 12 (Reuters) - The United States and Iran are showing flexibility on a nuclear deal, with Washington appearing "willing" to tolerate some nuclear enrichment, Turkish Foreign Minister Hakan Fidan told the Financial Times in an interview published Thursday.

President Donald Trump said Friday that he decided to move a second aircraft carrier into the Middle East as he presses Iran to make a deal over its nuclear program. The USS Gerald R. Ford, the world's largest aircraft carrier,