Russian President Vladimir Putin shakes hands with Turkish President Tayyip Erdogan during a news conference following their talks in Sochi, Russia October 22, 2019. Sputnik/Alexei Druzhinin/Kremlin via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. - RC16F18BD6F0
U.S. President Donald Trump delivers a statement on the conflict in Syria as Vice President Mike Pence, Secretary of State Mike Pompeo and White House National Security Advisor Robert O’Brien stand by in the Diplomatic Room of the White House in Washington, U.S., October 23, 2019. REUTERS/Tom Brenner - RC1CA1D434F0
Turkey-backed Free Syrian Army fighter holds a weapon in the town of Tadef in Aleppo Governorate, Syria February 12, 2018. Picture taken February 12, 2018. REUTERS/Khalil Ashawi
