U.S. President Donald Trump on Tuesday called Iran the "most destructive force" in the Middle East, blaming Tehran for instability across the region and warning that the United States will never allow it to obtain a nuclear weapon.

US President Trump, during his final remarks in Riyadh, warned Iran to abandon its support for terror and halt its nuclear ambitions or face “massive maximum pressure.” He urged allies to enforce oil sanctions and offered a conditional deal to Tehran,

A top Iranian official is responding to President Trump’s new message to Iran. Trump says Iran cannot have nuclear weapons, but that he is open to negotiating a new nuclear deal. NBC News’ Richard Engel is in Tehran.

Iran should not be allowed to enrich uranium even for energy purposes, House and Senate Republicans tell President Donald Trump in a new letter as the president visits the Middle East.

The chief of staff of Iran’s armed forces has issued a stark warning, saying the military is fully prepared for any confrontation and will ensure that Iran has the final say if attacked first. The statement was reported by Iran’s state-run IRNA news agency.

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