Leaders from Iran and the US have lauded progress on day one of Switzerland talks but disagree about crucial aspects.

Supreme leader has expressed reservations about interim deal with US, but most top decision-makers back it.

U.S. and Iran conclude tense talks in Switzerland, agreeing on a roadmap for peace and cooperation within 60 days.

Recent discussions between Iran and the US in Switzerland mark a promising step towards resolving the Middle East conflict, facilitated by Pakistan and Qatar. The two countries…