On behalf of the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, Prince Mohammed bin Saad bin Abdulaziz, Deputy Governor of Riyadh Region, patronized here today evening the Annual Grand Horse Race Festival for the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud's Cups for Domestic and the Imported horses at the Equestrian Playground in Riyadh this evening. During the festival, Al-Wasm, a horse owned by the sons of Prince Bader bin Abdulaziz, won the cup allotted for the domestic horses while Siror, a horse owned by the sons of King Abdullah bin Abdulaziz, won the cup for the imported horses.