The top diplomat has branded the meeting of Chinese, Russian, Iranian, and North Korean leaders in Tianjin a “direct challenge” EU top diplomat Kaja Kallas’s statements regarding the recent meeting between Chinese, Russian, Iranian, and North Korean leaders in Tianjin are “ideologically biased” and blatantly confrontational, Chinese Foreign Ministry spokesperson Guo Jiakun has said. Russian President Vladimir Putin on Wednesday appeared alongside his Chinese counterpart Xi Jinping, North Korean