It cited a joint security pact signed between China and Ukraine that commits Beijing to "providing security guarantees" to Ukraine, in the event that Ukraine was the subject of foreign aggression. Letter signatory Lu Nan, who graduated from the journalism department at Renmin University, said the letter was initiated by alumni of Peking University.
"We all have a common purpose, which is to oppose war and maintain peace," Lu told RFA. "Russia's invasion of Ukraine is a fundamental challenge to human conscience. Ukraine didn't invade Russia. It's a sovereign country and its people are peace-loving," he said.