On the background of Russian aggression, Turkey and Ukraine, the big neighbors across the Black Sea, are stepping up political, economic and military ties, Oleg Varfolomeyev wrote in his opinion piece on The Jamestown Foundation's website.
UNIAN: Ukraine, Turkey may forge anti-Russian alliance in Black Sea
A Turkish flag flies on a ferry as Russian warship the BSF Saratov 150 sails through the Bosphorus off Istanbul en route to the eastern Mediterranean sea on September 26, 2015.
