Hamer, said on Thursday that Saudi Arabia's King Salman bin Abdulaziz had invited leaders of the Gulf Cooperation Council (GCC) to attend a Gulf-U.S. summit in Riyadh.

ISSY-LES-MOULINEAUX, France--Saudi Arabia’s capital Riyadh was chosen Tuesday to host the 2030 World Expo following its bid that focused on shaping a prosperous and sustainable future ...