Putin's nuclear threat

https://www.msn.com/en-gb/news/world/what-happens-if-the-uk-is-targeted-by-nuclear-weapons-how-britain-would-respond-to-an-attack-by-russia/ar-AAVex3G
https://inews.co.uk/news/world/russia-nuclear-weapons-will-use-putin-threat-ukraine-explained-1512445
https://inews.co.uk/news/science/should-we-actually-be-willing-to-risk-nuclear-war-with-russia-1523551
https://inews.co.uk/news/how-uk-prepared-nuclear-bomb-threats-during-cold-war-putin-uses-weapons-intimidate-1518201
https://inews.co.uk/news/world/what-are-nuclear-weapons-definition-explained-countries-most-russia-nato-uk-usa-1499035