The leaders and heads of delegations participating in the 4th Summit of Arab and South American countries held their second closed session at King Abdulaziz Center for Conferences in Riyadh today. The session was chaired on behalf of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud by Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior. The Kingdom's delegation to the summit includes Prince Mohammed bin Salman bin Abdulaziz, Deputy Crown Prince, Second Deputy Premier and Minister of Defense; Minister of State and Cabinet's Member Dr. Musaed bin Mohammed Al-Aiban; Minister of Petroleum and Mineral Resources Ali bin Ibrahim Al-Naimi; Minister of Finance Dr. Ibrahim bin Abdulaziz Al-Assaf; Minister of State and Cabinet's Member Dr. Essam bin Saad bin Said; and Minister of Foreign Affairs Adel bin Ahmed Al-Jubeir.