"Uranium enrichment is the key to our nuclear programme and the enemies have focused on the enrichment," Khamenei said in a televised speech. The US proposal "contradicts our nation's belief in self-reliance and the principle of 'We Can',

Iran’s supreme leader on Wednesday blasted the US as “arrogant” as he effectively rejected a revised nuclear deal that would allow Tehran to continue low-level uranium enrichment. Ayatollah Ali Khamenei argued that abandoning uranium enrichment was “100%” against the country’s interests and “can do spirit” — as he ripped a central US demand amid talks to resolve a decades-long dispute over Tehran’s nuclear ambitions.

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

Trump discusses Iran negotiations with Netanyahu, says US is "trying to make a deal" to avoid conflict while UN nuclear watchdog expresses concerns about Tehran's nuclear program

US President Donald Trump has rejected the Iranian counter-proposal in ongoing nuclear talks as ‘unacceptable’. He has warned that the failure to reach an agreement would bring death and destruction for Iran.

Amid deadlocked nuclear talks, Iran's military leadership issued new threats on June 4, vowing to confront the US and Israel with force. Supreme Leader Ali Khamenei and senior officials rejected Washington's latest proposal as unacceptable,

Iran to submit counter-proposal via Oman after rejecting U.S. nuclear deal terms as “unacceptable,” says foreign ministry.