CROWN PRINCE SULTAN BIN ABDULAZIZ, DEPUTY PREMIER, MINISTER OF DEFENSE AND AVIATION AND INSPECTOR GENERAL, PATRONIZED HERE TODAY THE GRADUATION CEREMONY OF THE FOURTH BATCH OF THE GRADUATES OF THE KINGDOM'S SCHOOLS. AT THE VENUE, HE WAS RECEIVED BY PRINCES AND SENIOR OFFICIALS OF THE SCHOOLS. A SPEECH CEREMONY WAS HELD TO MARK THE OCCASION.