Tensions between Russia and the West are rising over Kaliningrad, Russia's enlave facing the Baltic Sea.
Lithuania, a member of NATO = North Atlantic Treaty Organization, has begun restricting rail freight transport from mainland Russia to Kaliningrad.
The Russian side is strongly opposed to taking countermeasures.
Kazuhiro Ishikawa commentator will explain.
(The video is 2 minutes and 42 seconds. It cannot be viewed on data broadcasting.)