Russia's Vladimir Putin has offered Turkey and the Syrian government assistance.
Russia, a close ally of Syrian President Bashar al-Assad, keeps a sizable military presence there and participates in ongoing combat operations against opposition forces.
Putin also gets along well with Turkey's President Tayyip Erdogan, who is a NATO member but has attempted to mediate the conflict between Russia and Ukraine.
“Please accept my deep condolences on the numerous human casualties and large-scale destruction caused...