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Listen Listen (1 min) Save Share Russia warns NATO of possible nuclear response if Kaliningrad is cut off on social media share-nodes Share (https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Faje.news%2F7iy97s) facebook (https://twitter.com/intent/tweet?text=Russia%20warns%20NATO%20of%20possible%20nuclear%20response%20if%20Kaliningrad%20is%20cut%20off&source=sharethiscom&related=sharethis&via=AJEnglish&url=https%3A%2F%2Faje.news%2F7iy97s) x (whatsapp://send?text=https%3A%2F%2Faje.news%2F7iy97s) whatsapp-stroke (https://aje.news/7iy97s) copylink google Add Al Jazeera on Google info (Spanish Air Force F-18 fighter jets fly over Lithuania during a NATO media tour in Siauliai Air Base, Lithuania, September 30, 2026. REUTERS/Ints Kalnins) Spanish Air Force F-18 fighter jets fly over Lithuania during a NATO media tour in Siauliai Air Base, Lithuania, September 30, 2026 [Ints Kalnins/Reuters] By Reuters Published On 30 Sep 2026 30 Sep 2026 Russia has warned NATO it is prepared to use its entire arsenal, including nuclear weapons, if the Western alliance attempts to cut off the Baltic exclave of (https://www.aljazeera.com/news/2022/6/24/achilles-heel-of-nato-tensions-amid-kaliningrads-transit-ban) Kaliningrad , according to a diplomatic document sent to member states. The diplomatic memo sent on Wednesday claimed Moscow has “information that NATO is preparing an air and naval blockade of Kaliningrad”. NATO’s response came through its Secretary-General Mark Rutte, who said that NATO is a defensive alliance and that Russia should “stop the nuclear threats”, calling the document unhelpful. Rutte also downplayed the seriousness of the threat, saying that “Putin knows that he can never win” in a direct escalation with NATO. Bordered by Poland and Lithuania, both NATO members, the Russian territory of Kaliningrad sits on the (https://www.aljazeera.com/opinions/2026/5/27/the-baltics-urgently-need-a-de-escalation-mechanism-belarus-can-help) Baltic Sea . The region serves as a major military outpost, housing Russia’s Baltic fleet and nuclear-ready Iskander missile systems. The exchange comes more than four and a half years into Russia’s full-scale (https://www.aljazeera.com/news/2022/2/24/timeline-after-months-tensions-russia-attacks-ukraine) war in Ukraine, as tensions increasingly spill into neighbouring states. Poland has (https://www.aljazeera.com/news/2026/9/25/poland-boosts-air-defence-after-russian-provocations-amid-ukraine-war) heightened its air defence posture following alleged incursions into its airspace in recent weeks, while Danish authorities said a Russian warship (https://www.aljazeera.com/news/2026/9/15/russia-warns-denmark-after-near-miss-in-baltic-sea) fired two flares near a Danish military helicopter over the Baltic Sea two weeks ago. aj-logo aj-logo aj-logo Advertisement About About Show more (https://www.aljazeera.com/about-us) About Us (https://www.aljazeera.com/code-of-ethics/) Code of Ethics (https://www.aljazeera.com/terms-and-conditions/) Terms and Conditions (https://www.aljazeera.com/eu-eea-regulatory/) EU/EEA Regulatory Notice (https://privacy.aljazeera.net/) Privacy Policy (https://privacy.aljazeera.net/cookie/) Cookie Policy (https://www.aljazeera.com/) Cookie Preferences (https://trust.aljazeera.net/accessibility/) Accessibility Statement (https://www.aljazeera.com/sitemap) Sitemap (https://careers.aljazeera.net/) Work for us Connect Connect Show more (https://network.aljazeera.net/en/contact?tid=6) Contact Us (https://www.aljazeera.com/user-accounts-help) User Accounts Help (https://commercial.aljazeera.net/) Advertise with us (https://www.aljazeera.com/stay-connected) Stay Connected (https://www.aljazeera.com/newsletters) Newsletters (https://sat.aljazeera.net/en) Channel Finder (https://www.aljazeera.com/schedule/) TV Schedule (https://www.aljazeera.com/podcasts/) Podcasts (https://webapps.aljazeera.net/aje/tips/) Submit a Tip (https://www.aljazeera.com/sponsored) Paid Partner Content Our Channels Our Channels Show more (http://aljazeera.net/) Al Jazeera Arabic (https://www.aljazeera.com/) Al Jazeera English (https://www.ajiunit.com/) Al Jazeera Investigative Unit (https://www.aljazeeramubasher.net/) Al Jazeera Mubasher (http://doc.aljazeera.net/) Al Jazeera Documentary (http://balkans.aljazeera.net/) Al Jazeera Balkans (http://ajplus.net/) AJ+ Our Network Our Network Show more (http://studies.aljazeera.net/en/) Al Jazeera Centre for Studies (http://training.aljazeera.net/) Al Jazeera Media Institute (http://learning.aljazeera.net/) Learn Arabic (http://liberties.aljazeera.com/en) Al Jazeera Centre for Public Liberties & Human Rights (http://forum.aljazeera.net/) Al Jazeera Forum (https://hotels.aljazeera.net/en) Al Jazeera Hotel Partners Follow Al Jazeera English: (https://www.facebook.com/aljazeera) facebook (https://twitter.com/ajenglish) twitter (https://www.youtube.com/aljazeeraenglish) youtube (https://www.instagram.com/aljazeeraenglish/?hl=en) instagram-colored-outline (https://www.aljazeera.com/xml/rss/all.xml) rss (https://bsky.app/profile/aljazeera.com) bluesky (https://www.tiktok.com/@aljazeeraenglish) tiktok-colored-outline (Al Jazeera Media Network logo) © 2026 Al Jazeera Media Network