The leaders of 4th Summit of Arab and South American Countries arrived in Riyadh today to participate in the Summit scheduled for today's evening. President Omar Hassan Al-Bashir of the Republic of Sudan arrived here today to head his country's delegation to the summit. He was received at King Khaled International Airport by the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud; Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region; Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; and a number of princes, ministers and officials. President Mahmoud Abbas, Chairman of Executive Committee of Palestine Liberation Organization and President of the State of Palestine arrived here today to head his country's delegation to the 4th Summit of Arab and South American countries. He was received at King Khaled International Airport by the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud; Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region; Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; and a number of princes; ministers; and officials. President Rafael Correa Delgado of the Republic of Ecuador arrived here today to head his country's delegation to the 4th Summit of Arab and South American countries. He was received at King Khaled International Airport by the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud; Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region; Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; and a number of princes; ministers; and officials. President Mohamed Ould Abdel Aziz of the Republic of Mauritania arrived here today to head his country's delegation to the 4th Summit of Arab and South American countries. He was received at King Khaled International Airport by the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud; Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region; Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; and a number of princes; ministers; and officials. President Mohammed Fuad Masum of Republic of Iraq arrived here today to head his country's delegation to the 4th Summit of Arab and South American countries. He was received at King Khaled International Airport by the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud; Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region; Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior; and a number of princes; ministers; and officials.