Russia, in a formal note to NATO, has warned that if it intervenes to cut off the Kaliningrad region’s connection to Russian territory, Moscow will be ready to use all of its military capabilities, including nuclear weapons.

Russia, in a formal note to NATO, has warned that if it intervenes to cut off the Kaliningrad region’s connection with Russian territory, Moscow will be ready to use all of its military capabilities, including nuclear weapons.

Lily Nikfar’s report, an Iran International correspondent