Russia's Putin signs updated doctrine that lowers threshold for using nuclear weapons

Russian President Vladimir Putin on Tuesday 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 on his country.

Russia's Putin signs updated doctrine that lowers threshold for using nuclear weapons
A balding older cleanshaven man wearing a suit and tie speaks into a microphone while seated and holding a piece of paper.

Russian President Vladimir Putin on Tuesday 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 on his country.