NATO condemned Russian nuclear threats after publicly acknowledging a tense exchange with Moscow over its exclave of Kaliningrad. The military alliance replied to a Russian message by noting that NATO is a defensive alliance and none of our activities or exercises pose a risk to any part of Russia,
spokeswoman Allison Hart said in a written statement on Tuesday. We strongly denounce the threat of force, including any irresponsible nuclear rhetoric,
she said.
Moscow Issues Nuclear Warning Over Kaliningrad Exclave
NATO was responding to a warning issued by the Russian Embassy in Belgium that the alliance’s reckless and irresponsible approach
regarding Kaliningrad sharply increases the risks of a direct military confrontation,
the state-run Tass news agency reported on Monday. Russia also warned it was ready to use its entire arsenal of weapons to defend its Baltic territory if the alliance tried to cut it off from the rest of the country. The message was sent to both NATO and the Belgian foreign ministry and called on the bloc’s member states to refrain from further escalatory rhetoric and actions in order to prevent a large-scale confrontation,
Tass said. The unusually direct exchange underscores the deep tensions in relations between the alliance and Russia since the start of the war in Ukraine in February 2022.
Russia warned on Tuesday that any United Kingdom or NATO attempt to blockade or strike its Kaliningrad exclave could trigger nuclear retaliation. In a Sept. 29 Telegram post, the embassy referenced Sky TV’s recent four-part documentary-drama series “The Wargame,” in which a fictional British Cabinet considers strikes on Russian territory, including Kaliningrad, after a simulated attack by Moscow on the UK. Moscow also mentioned a recent article in the British newspaper, the iPaper, which said on Sept. 26 that the territory once seen as a threat to NATO could now be a weakness for Vladimir Putin that is waiting to be exposed.
Kaliningrad is a heavily militarized enclave sandwiched between NATO members Lithuania and Poland, serving as the headquarters of Russia’s Baltic Fleet, and is Russia’s only year-round, ice-free port. The iPaper report said a lot of Kaliningrad’s military personnel and firepower have been reassigned to Ukraine, leaving the exclave more vulnerable to attack. The Russian embassy stated: Any British or NATO military action against Russian territory would be met with a response using all means at Russia’s disposal, including nuclear weapons.
Russia warned NATO it would be ready to resort to nuclear weapons if the Western alliance attempted to cut off Kaliningrad, a Russian exclave that borders the Baltic Sea. In a document sent to NATO, Moscow accused the alliance of a dangerous and reckless course
that entailed high risks of the outbreak of a direct armed conflict
. The document said this included the possibility of Russian strikes against decision-making centres in the alliance's member states right from the outset of the conflict
. “Russia will be ready to use the entire arsenal of forces and capabilities at its disposal, including nuclear weapons, to defend its territory should NATO countries undertake any attempt aimed at isolating the Kaliningrad Region from the rest of the country,said the text, classed as a
non-paper”.
Alliance Response and Strategic Context
The unusually direct diplomatic clash between NATO and Moscow over the Kaliningrad exclave marks another escalation in Russia’s effort to use nuclear signaling and hybrid pressure against the Alliance. By sending a formal “non-paper” to NATO headquarters in Brussels and warning that Russia was prepared to deploy its “entire arsenal” if Alliance members attempted to isolate Kaliningrad, Moscow appears to be drawing a deliberately threatening red line around one of its most strategically exposed territories.

NATO Deputy Secretary General Radmila Shekerinska said in August that Russian nuclear rhetoric tends to intensify when Moscow faces setbacks on the battlefield or pressure on its critical infrastructure, arguing that such threats are aimed both at undermining Ukrainian resolve and weakening Western backing for Kyiv. Kaliningrad is one of Russia’s most strategically sensitive outposts. Wedged between Poland and Lithuania on the Baltic Sea and geographically separated from mainland Russia, the exclave sits deep inside a region where NATO has substantially strengthened its military posture since Moscow’s full-scale invasion of Ukraine. The accession of Finland and Sweden has further transformed regional security.
Overnight Strikes Target Kyiv Infrastructure
Russia has continued a bombardment on Ukraine’s data centers and communications infrastructure as part of a fresh wave of attacks on the country’s capital. Ukraine’s air force said Russian forces intensified strikes on Kyiv and other cities overnight by launching a mix of anti-ship and ballistic missiles, as well as dozens of jet-powered drones, which Ukrainian air defenses have struggled to intercept. Russia’s Defense Ministry said it struck several targets in Kyiv on Tuesday, including a locomotive depot housing a warehouse of FP-5 Flamingo ground-based missiles and their components. The attacks also hit the Bi-mobile data center, which Russia’s Defense Ministry said was one of Kyiv’s main internet exchange points, and the Parkovy data center. Russia has stepped up its attacks on Ukraine’s data centers and internet providers in recent days, seeking to disrupt the flow of information in the country, and Ukrainian officials have expressed deep concern over the attacks.