Riyadh, Muharram 29, 1437, Nov 11, 2015, SPA -- Djibouti's President Ismail Omar Guelleh left Riyadh today following participation in the 4th Summit of Arab and South American Countries held in Riyadh. At King Khalid International Airport, the Djibouti's President was seen off by a number of officials. --SPA 17:18 LOCAL TIME 14:18 GMT www.spa.gov.sa/w