An outline by the Trump administration would allow Iran to continue enriching uranium at low levels while a broader arrangement is worked out that would block the country’s path to a nuclear weapon.

Iran’s supreme leader, Ayatollah Ali Khamenei, said on Wednesday that abandoning uranium enrichment was “100 percent” against Tehran’s interests, effectively rejecting a key U.S. demand in weeks of tense negotiations over Iran’s nuclear program.

Newsweek has reached out to the U.S. State Department for comment. Why It Matters. The remarks are the first time Tehran has commented on the content of the recent U.S. proposal,

The outline of the U.S. offer to Iran in their high-stakes negotiations over Tehran's nuclear program is starting to become clearer — but whether any deal is on the horizon remains as cloudy as ever.