US Secretary of State Marco Rubio told lawmakers that Iran's Supreme Leader Mojtaba Khamenei remains alive and appears to be taking a more active role in the country's affairs as diplomatic efforts over Tehran's nuclear programme remain deadlocked.
The United States and Iran remain without a breakthrough agreement after a two-hour high-level meeting at the White House on Friday. The administration of US President Donald Trump has made it clear that no deal will be signed unless it aligns with American interests and satisfies the president's key conditions.
