A general view of the Gulf Cooperation Council (GCC) summit at Bayan palace in Kuwait City on December 5, 2017.
The Gulf Cooperation Council, which launches its annual summit today in Kuwait amid its deepest ever internal crisis, comprises six Arab monarchies who sit on a third of the world's oil. A political and economic union, the GCC comprises Saudi Arabia, the United Arab Emirates, Kuwait, Qatar, Oman and Bahrain. Dominated by Riyadh, it is a major regional counterweight to rival Iran.
 / AFP PHOTO / GIUSEPPE CACACE
The first session of this year's annual Gulf Cooperation Council (GCC) summit takes place at Bayan palace in Kuwait City on December 5, 2017. Giuseppe Cacace / AFP

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