Russian President Vladimir Putin has warned the West that Russia is technically prepared for a nuclear war, and that should the US send troops to Ukraine, it would be regarded as a considerable escalation of the war.
Russian President Vladimir Putin has warned the West that Russia is technically prepared for a nuclear war, and that should the US send troops to Ukraine, it would be regarded as a considerable escalation of the war.
Here’s a summary of some of the nuclear threats Russia has made over the past few years:
https://en.wikipedia.org/wiki/Nuclear_risk_during_the_Russian_invasion_of_Ukraine
For example:
https://www.reuters.com/world/europe/russias-medvedev-warns-nuclear-response-if-ukraine-hits-missile-launch-sites-2024-01-11/
Obviously, the more they keep threatening to use nukes, the less credible these threats become.