Russia is Turkey's primary energy supplier, and Ankara is Moscow's second largest trade partner.
Russia's War Against Ukraine
Telesur: Putin to push trade and energy agenda during his visit to Turkey
Russia's President Vladimir Putin (L) and Turkish Prime Minister Recep Tayyip Erdogan meet in the Russian Black Sea resort of Sochi, on February 7, 2014, few hours before the Sochi 2014 Olympic Winter Games opening ceremony.
