Putin lowers nuclear use threshold after Biden's missile decision for Ukraine

President Vladimir Putin has officially lowered the threshold for Russia's use of nuclear weapons. This change follows U.S. President Joe Biden's decision to allow Ukraine to use longer-range missiles against targets in Russia. The updated doctrine states that Russia may respond with nuclear force to conventional attacks supported by nuclear powers. It broadens the conditions under which nuclear weapons could be used, including responses to significant aerial attacks. This revision comes as Ukraine reportedly struck a military facility in Russia's Bryansk region. Russian officials have indicated that such actions could escalate the conflict, emphasizing the potential for a nuclear response.