Witkoff restated Trump's previous commitment to "zero enrichment" by Tehran in any future deal. "There have been some very hard red lines drawn," he said.

A report revealed the U.S. diplomat to be advising Russia on how to get through to Trump, raising questions about his priorities and foreign business ties.

Tehran has denied it seeks nuclear weapons and said it was willing to accept some curbs in exchange for sanctions relief.

We, together with Jared [Jared Kushner], hope that the proposals we have put on the table will bring the sides together within the next three weeks and may lead to a summit between Volodymyr Zelenskyy and Vladimir Putin.

NPR's Steve Inskeep talks to Dan Baer of the Carnegie Endowment for International Peace about U.S. Envoy Steve Witkoff's approach to foreign conflicts.

U.S. senators visiting Odesa on Feb. 18 struck a cautious tone when asked whether Special Envoy Steve Witkoff should remain at the center of negotiations with Russia. The remarks place Congress in a

Negotiations led by special envoys Steve Witkoff and Jared Kushner will shape Trump’s calculus – key US politics stories from Monday 23 February at a glance

Several rallies have taken place at universities in the Iranian capital, Tehran, for the second day running.