Deputy Foreign Minister Hossein Amir-Abdollahian arrived in the Swiss city of Montreux late Saturday to attend the Eighth World Policy Conference on Sunday. The senior diplomat also was to speak on West Asian developments from the viewpoint of the Islamic Republic in a special session on the sidelines of the conference, Mehr News Agency reported. Amir-Abdollahian was expected to review the situation in Palestine, Syria, Yemen and other crisis-hit regional countries.