Lithuania has blocked Russia from using its railways to ship coal, metals, electronics and other sanctioned goods to the military exclave of Kaliningrad, choking off up to half of the outpost’s imports.
Wedged between Poland and Lithuania, the strategically important territory was retained by Moscow after the break-up of the Soviet Union.
Today it is the main base for Russia’s Baltic fleet and 11th army corps, as well as an arsenal of advanced weaponry, including hypersonic Kinzhal missiles and nuclear-capable Iskander launchers.
Yet its million or so inhabitants have become increasingly isolated since the start of the war in Ukraine as its trade routes have snarled up and the surrounding Nato member states have shut off their airspace to Russian planes.
For the past four