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

Putin signed a decree Tuesday expanding the conditions under which Russia might deploy nuclear weapons in reaction to Biden's Ukraine decision.

President Joe Biden has authorized Ukraine to use U.S.-supplied missiles to strike deeper inside Russia, easing limitations on the longer range weapons as Russia deploys thousands of North Korean troops to reinforce its war,

Russian President Vladimir Putin on Tuesday lowered the threshold for a nuclear strike in response to a broader range of conventional attacks just days after the White House reportedly allowed Ukraine to fire American missiles deep into Russia.

President Vladimir Putin has updated Russia’s nuclear doctrine, two days after his US counterpart Joe Biden granted Ukraine permission to strike targets deep inside Russia with American-made weapons.