U.S. President Barack Obama urged his Turkish counterpart on Dec. 1 to reduce tensions with Russia while stressing U.S. support for its NATO ally's security.
Associated Press: Obama urges Turkey to reduce tensions with Russia, stresses support
US president Barack Obama (C) and Ukraine's President Petro Porochenko (L) attend the family photo during the COP21, United Nations Climate Change Conference, in Le Bourget, outside Paris, on Nov. 30, 2015.