Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud has sent a written message to King Hamad bin Isa Al Khalifa, the King of Bahrain, inviting him to attend the 40th session of the GCC Supreme Council. The message was delivered to the King of Bahrain by Secretary General of the Gulf Cooperation Council (GCC) Dr. Abdullatif bin Rashid Al Zayani during a reception today. During the meeting, King Hamad was briefed on the current preparations for the 40th session of the GCC Supreme Council.