Saudi Arabia's Permanent to the United Nations Abdullah bin Yahiya Al-Mualami held a luncheon banquet here today, in grace of visiting Prince Khalid bin Sultan bin Abdulaziz, the Head of Sultan bin Abdulaziz Charity Foundation and accompanying delegation, following a ceremony in which Prince Sultan bin Abdulaziz World Award for Waters, in its 7th edition, has been delivered here on Wednesday, at an invitation of the UN. The luncheon was attended by the Gulf Cooperation Council (GCC) member states' UN permanent representatives, other senior diplomats and staff of the Saudi mission to the UN.