Iran's Ambassador in Sarajevo Seyyed Hossein Rajabi underscored the necessity of strengthening relations with Bosnia and said culture, economy and tourism are potential fields for increasing mutual cooperation. "Tehran and Sarajevo need to expand their bilateral ties," Rajabi said in a meeting with Chairman of the Council of Ministers of Bosnia-Herzegovina Denis Zvizdic in Sarajevo on Sunday, Fars News Agency reported. The Bosnian official congratulated Iran on the removal of sanctions under last year's nuclear deal with major powers.