AlHijjah 8, 1432, Nov 4, 2011, SPA -- Sheikh Hamad bin Khalifa Al Thani, the Emir of Qatar, arrived in Riyadh this evening on a visit to the Kingdom to offer condolence to the sons of late Prince Sultan bin Abdulaziz Al Saud. At Riyadh airbase, he was received by Prince Khalid bin Sultan bin Abdulaziz, Assistant Minister of Defense and Aviation and Inspector General for Military Affairs; Prince Fahd bin Khalid bin Sultan and senior officials. The Emir of Qatar was accompanied by a number of Qatari princes.