Prince Sultan Bin Abdulaziz, the Second Deputy Premier, Defense and Aviation Minister and Inspector General, who is heading the delegation of the Kingdom of Saudi Arabia to the 25th GCC summit, visited separately here on Monday evening Bahrain's King Hamad bin Isa Al-Khalifah, Qatari Emir Sheikh Hamad bin Khalifah Al-Thani and Kuwaiti Premier Sheikh Sabah Al-Ahmad Al-Sabah. Prince Sultan discussed with them issues on the agenda of the Summit, Saudi Arabia's relations with Bahrain, Kuwait and Qatar as well as the latest developments at Arab, Islamic and international arenas.