Russian President Vladimir Putin recently stated that he would be ready to use nuclear weapons if the existence of the Russian state was at stake. However, he also emphasized that there has never been a situation thus far that has necessitated such extreme measures. Russian nuclear doctrine does allow for the use of nuclear weapons in response to non-nuclear attacks that pose an existential threat to the country. It’s important to note that this is viewed as a last resort and is often seen as a form of deterrence. Please note that this information is subject to change and it’s always important to check up-to-date sources for the latest developments.