THANI, THE QATARI EMIR, ARRIVED HERE TODAY. HE WAS WELCOMED AT RIYADH AIRBASE BY THE CUSTODIAN OF THE TWO HOLY MOSQUES KING ABDULLAH BIN ABDULAZIZ, CROWN PRINCE SULTAN BIN ABDULAZIZ, THE DEPUTY PREMIER, DEFENSE AND AVIATION MINISTER AND INSPECTOR GENERAL, OTHER PRINCES AND SENIOR OFFICIALS.