Manama: The extraordinary summit of the Gulf Cooperation Council (GCC) countries to sign the transition to the Gulf union will be held ahead of an annual meeting in December in Manama, a senior Bahraini official has said.

"The Gulf union has been approved and it will be a reality very soon," Nabeel Al Hamer, media advisor to King Hamad Bin Eisa Al Khalifa, said on his Twitter account.