U.S. ambassador calls China's tech support for Russia during Ukraine invasion a 'major mistake'

Open this photo in gallery: U.S. Ambassador to China Nicholas Burns gestures as he speaks at the Barnett-Oksenberg Lecture on Sino-American Relations hosted by Amcham Shanghai, at a hotel in Shanghai, China, on June 26.Andy Wong/The Associated Press China's support for Russia's full-scale invasion of Ukraine through the provision of technology for missiles and other weaponry is a "major mistake," U.S. Ambassador to Beijing Nicholas Burns said Wednesday. In a speech in the Chinese financial hub of Shanghai, Burns also said Russia's invasion, now in its third year, had become an "existential crisis" in Europe. "We think it's a major…