NATO Secretary General Jens Stoltenberg warned on March 13 that Russia might use chemical or biological weapons in the fight with Ukraine, which the head of the alliance said would amount to a war crime. “In recent days, we have heard absurd claims about chemical and biological weapons laboratories,” Stoltenberg said during an interview with German newspaper Welt am Sonntag, adding that he believes the Kremlin is trying to create a false pretext to justify the unjustifiable. Stoltenberg’s warning came as Russian officials claimed on March 7 that the U.S. military has been involved with the development of chemical or biological weapons in laboratories across Ukraine, a project backed by the Defense Threat Reduction Agency, an agency within the U.S. Department of Defense (DoD). “Now that these false claims have been made, we must remain vigilant because it is possible that Russia itself could plan chemical weapons operations under this fabrication of …