- ‘Massive conventional attack’: The US has told Russia ‘through back channels’ what America would do if Putin uses tactical nuclear weapons in Ukraine https://www.skynews.com.au/insights-and-analysis/massive-conventional-attack-the-us-has-told-russia-through-back-channels-what-america-would-do-if-putin-uses-tactical-nuclear-weapons-in-ukraine/news-story/02047a613a3b687bba713492540142a2 93 comments europe