Sudanese President Omar Hassan Ahmed Al-Bashir and his accompanying delegation left Madinah this morning for Riyadh to participate in the works of the 3rd Economic and Social Development Summit due to start its two-day deliberations later today in the Saudi capital. At Prince Mohammed bin Abdulaziz International Airport, they were seen off by the Undersecretary of the Governorate of Madinah Region Suleiman bin Mohammed Al-Juraish, and a number of officials.