"Ruben Vardaynan has no concern with Russia," said Russian Foreign Minister Sergey Lavrov said at a joint press conference on the results of his talks with his Azerbaijani counterpart Jeyhun Bayramov, APA's Moscow correspondent reports.
"At the request of Vardanyan, the President of Russia renounced his citizenship. His visit to Karabakh has no concern with Russia," Lavrov said.