Riyadh, SANA- President Bashar al-Assad arrived in Saudi Arabia to participate in extraordinary Arab-Islamic Summit that will be held on Monday. President al-Assad was received at King Khalid International Airport in Riyadh by Prince Mohammed bin Abdulrahman bin Abdulaziz, Deputy Governor of Riyadh Region, Faisal bin Abdulaziz bin Ayyaf, Mayor of the Region, Chargé d’Affaires …