Washington, Oct. 7 -- US Vice President JD Vance has made clear that Tehran must carry out a "meaningful" cut in its nuclear enrichment capacity before Washington will agree to halt the seven-month war with Iran.

In an exclusive interview with Reuters, Vance said the United States remains open to a negotiated settlement but will insist on concrete steps from Iran rather than mere assurances about future nuclear limits.

"If you don't want a nuclear weapon, then why do you need 60% enriched fuel?" Vance said. "If you want to show commitment to not building a nuclear weapon, don't build highly enriched fuel. That's a very basic threshold issue."

"I think if they want to show a commitment to not building a nuclear weapon, they would do som...