“Tensions are mounting around the Russian exclave of Kaliningrad, an isolated but strategically significant territory on the Baltic coast that could soon be dragged into the Kremlin’s war.
“Russia has reacted furiously after Lithuania banned the passage of sanctioned goods across its territory and into Kaliningrad.
“But Lithuania says it is merely upholding European Union sanctions, and the European bloc has backed it.
“The row now threatens to escalate strains between Moscow and the EU, which has unveiled several packages of sanctions on Russian goods.
“Here’s what you need to know about Kaliningrad, its history and its importance to Russia.”
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