The use of chemical weapons by Russia would “totally change the nature of the conflict” in Ukraine, said NATO Secretary Jens Stoltenberg on Wednesday. Without elaborating, Stoltenberg told reporters that using such weapons would be a “blatant violation of international law and of far-reaching consequences.” He didn’t elaborate. Since the start of the Feb. 24 conflict, there have been no reports or evidence suggesting Moscow has used chemical weapons in Ukraine. However, in recent days, top Western officials have continually claimed that Russia is aiming to do so in the near future, although no evidence has been produced. Ahead of a NATO summit in Brussels, President Joe Biden told reporters that he believes “it’s a real threat” that Russia would use the weapons. Meanwhile, Russian officials have made accusations that Kyiv is seeking to use or develop chemical or biological weapons against Russia. “I’m receiving reports that Russia is preparing attacks using chemical …