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 has warned the U.S. that it will not give up its right to its enrich uranium, casting doubt on prospects for a deal as Tehran considers a U.S. proposal for curbing its nuclear program. Newsweek has reached out to the U.

President Donald Trump on Monday appeared to undercut a proposal that was offered by his special envoy to Iran, saying he will insist that Tehran fully dismantle its nuclear enrichment program as part of any deal to ease crushing sanctions.