Russia stepped up its criticism of the European Union saying the EU was under Washington's thumb and should be ashamed of itself.
– Russia's Foreign Ministry
Instead of forcing the Kiev clique to sit at the table with southeastern Ukraine to negotiate the future structure of the country, our partners are doing Washington's bidding with new unfriendly gestures aimed at Russia.
The statement follows a new round of sanctions imposed on Russian officials over Moscow's role in the Ukraine crisis.
The EU had already sanctioned 33 Russians and Ukrainians in protest at Russia's annexation of Ukraine's Crimea region in March.
The 15 new names include Dmitry Kozak, Russia's deputy Prime Minister responsible for overseeing the integration of the annexed Crimea into Russia, and Oleg Belaventsev, the Russian president's representative in "the so-called Crimean Federal District."Read: EU expands Russia sanctions