Yes. According to The Guardian, Britain’s national security adviser Jonathan Powell attended the final US-Iran talks in Geneva and believed Tehran’s nuclear proposal was significant enough to keep diplomacy on track and avoid escalation. Sources said progress had been made and that the Iranian offer was unexpectedly substantial.

The report also highlights concerns about the US negotiating team led by Jared Kushner and special envoy Steve Witkoff, both closely linked to Israel. One diplomat with knowledge of the talks told The Guardian: “We regarded Witkoff and Kushner as Israeli assets that dragged a president into a war he wants to get out of.”