Trump says Iran's 'so-called' Supreme Leader spurned full cooperation offer

US President Donald Trump addresses the 80th United Nations General Assembly, in New York City, New York, US, September 23, 2025
US President Donald Trump addresses the 80th United Nations General Assembly, in New York City, New York, US, September 23, 2025

Iran rejected a US offer of full cooperation in exchange for suspending its nuclear program, US President Donald Trump told the UN General Assembly on Tuesday, adding his letter to Iran's "so-called" Supreme Leader was met with threats.