Turkish President Recep Tayyip Erdogan, centre, walks with Russian President Vladimir Putin, left, prior to their meeting at the G-20 Summit in Antalya, Turkey, in the early hours of Monday, Nov. 16, 2015. The leaders of the Group of 20 were wrapping up their two-day summit in Turkey Monday against the backdrop of heavy French bombardment of the Islamic State’s stronghold in Syria. The bombings marked a significant escalation of France’s role in the fight against the extremist group. (Anadolu Agency via AP, Pool)
