Changes to Russia's nuclear doctrine have been drawn up and will be formalized as necessary, the Kremlin said on Tuesday, signaling again Moscow's concern over the latest U.S. decision on missile strikes from Ukraine. The Kremlin called on Monday the reported decision by President Joe Biden's administration to allow Ukraine to fire American missiles deep into Russia reckless and it warned that Moscow will respond. Russia calls its war in Ukraine a special military operation, while Kyiv and its Western allies call it an unprovoked, imperialistic land grab. Western analysts have called the changes an escalation in Moscow's attempts to dissuade the West from expanding its military aid to Ukraine. The war in Ukraine has triggered the worst crisis in Moscow's relations with the West since the 1962 Cuban Missile Crisis.

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Persons: Vladimir Putin, Dmitry Peskov, Joe Biden's, Volodymyr Zelenskyy, Putin, Peskov Organizations: Security, Kremlin, TASS, NATO, Reuters, Cuban Missile, Washington Locations: Constantine, Strelna, Saint Petersburg, Russia, Ukraine, Moscow, United States, The U.S, Korean, Washington, Kyiv