In a statement released late night by his spokesperson, Ban congratulated the negotiators in Geneva for progress made on "what could turn out to be the beginnings of a historic agreement for the peoples and nations of the Middle East region and beyond".

He urged the governments of Iran and the P5+1 nations - Britain, China, France, Russia and the US plus Germany - involved to "build on this encouraging start" and to create mutual confidence.

(Agencies)

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