TEHRAN ,14 September 2014 ( UN IC) -- The United Nations Special Coordinator for Lebanon, Mr. Derek Plumbly, visited Tehran from 13-14 September during which he met Advisor on International Affairs to the Supreme Leader, H.E. Mr. Ali Velayati, and Deputy Foreign Minister for Arab and African Affairs of the Islamic Republic of Iran, H.E. Mr. Hossein Amir-Abdollahian.