Russian President Vladimir Putin chairs a Security Council meeting outside Moscow, Russia, on Aug. 5, 2019. Russia will start the full-scale development of missiles banned by the collapsed Intermediate-Range Nuclear Forces (INF) Treaty if the United States begins to do so, President Vladimir Putin said Monday. (Sputnik/Handout via Xinhua)
Russian President Vladimir Putin said on Sunday that he doesn't rule out various options for responding to NATO's further eastward expansion.
"It depends on the proposals of our military experts…" he told Russia 1 TV channel, adding that the Russian side isn't to "stop something," but "in order to achieve a diplomatic negotiation result."