(L-R) Britain's MP Tobias Ellwood, Emirati Foreign Minister Sheikh Abdullah bin Zayed al-Nahyan, Saudi Arabia's Foreign Minister Adel al-Jubeir, U.S. Secretary of State John Kerry, Oman's Foreign Minister Yusuf bin Alawi bin Abdullah, and U.N. special envoy to Yemen Ismail Ould Cheikh Ahmed pose for a group photo in Riyadh, Saudi Arabia December 18, 2016. REUTERS/Faisal Al Nasser