If they enrich, then we’re going to have to do it the other way,' US president tells reporters; Iran rejected deal that would have reportedly allowed limited enrichment

The negotiations have been framed by Trump as both countries’ best chance to avoid direct military conflict over Iran’s nuclear program. Tehran, which denies seeking a nuclear weapon, has insisted that it will not agree to any deal that fully scraps its enrichment program.

By Francois Murphy and John Irish VIENNA (Reuters) -U.N. inspectors monitoring Iran's Fordow nuclear site confronted a major gap in their knowledge last year as they watched trucks carrying advanced uranium-enriching centrifuges roll into the facility dug into a mountain south of Tehran.