Iran's Supreme Leader orders near-weapons-grade enriched uranium to stay in the country, hardening Tehran's stance and complicating US nuclear negotiations.

Iran's revised peace proposal offers to transfer enriched uranium to Russia, reopen the Strait of Hormuz, and freeze its nuclear program in a bid for US sanctions relief.

Iran has reportedly proposed transferring its enriched uranium stockpile to Russia instead of the United States, triggering a fresh geopolitical flashpoint as tensions with…