Russian President Vladimir Putin on Wednesday mentioned that Russia would think about resuming nuclear assessments for the primary time since 1990 if the United States did so. US President Donald Trump mentioned on social media final week that he had instructed the Pentagon to “start testing our Nuclear Weapons on an equal basis” with Russia and China.
https://www.france24.com/en/europe/20251106-putin-says-russia-is-considering-resuming-nuclear-tests-following-trump-s-remarks