MOSCOW, September 26. /ITAR-TASS/. Russian President Vladimir Putin sent several messages to European leaders over the consequences of the implementation of the Association Agreement between Ukraine and the EU, presidential aide Yury Ushakov said on Friday.

“As for the letters, I can confirm that corresponding letters on possible consequences of signing and ratifying the Ukraine-EU agreement were sent to leaders of several countries, including to Ukraine and the EU leadership,” Ushakov said, commenting on Putin’s letter to European Commission chairman Jose Manuel Barroso.