Sheikh Hamad bin Khalifa Al Thani arrived in Doha on Tuesday evening from Saudi Arabia, where His Highness led the Qatari delegation to the 32nd GCC Supreme Council Summit which conclued at Ad Diriyah Palace in the Saudi capital Riyadh earlier today and ran for two days. HH the Emir was accompanied to the summit by HE Prime Minister and Foreign Minister Sheikh Hamad bin Jassim bin Jabor Al Thani and as a high-ranking official delegation.