Russian President Vladimir Putin warned that Moscow will deploy its full military arsenal, including nuclear weapons, if the exclave of Kaliningrad faces a direct attack. NATO criticized the rhetoric as unhelpful.

Moscow warned it is prepared to use its full military arsenal, including nuclear weapons, if NATO isolates Kaliningrad. NATO rejected the threats.

NATO has strongly condemned a Russian diplomatic warning threatening a nuclear response if the alliance attempts to isolate the Kaliningrad exclave.