President Vladimir Putin has signed a revised nuclear doctrine declaring that a conventional attack on Russia by any nation that is supported by a nuclear power will be considered a joint attack ...

Russian President Vladimir Putin formally lowered the threshold for Russia’s use of its nuclear weapons ... on Tuesday at a military facility in Russia’s Bryansk region that borders Ukraine, adding ...

Russian President Vladimir Putin has signed a revised nuclear doctrine declaring that a conventional attack on Russia by any nation that is supported by a nuclear power will be considered a joint ...