Russia Warns It Could Use Nuclear Weapons if NATO Attempts to Isolate Kaliningrad

Russia sent a document to NATO warning the alliance that Moscow could use nuclear weapons in response to an attempt to isolate the Russian exclave Kaliningrad. 

Reuters reported viewing the document on Wednesday. "Russia will be ready to use the entire arsenal of forces and capabilities at its disposal, including nuclear weapons, in order to defend ​its territory should NATO countries undertake any attempt aimed at isolating the Kaliningrad Region from the rest of the country," the document. . .