(230607) -- UNITED NATIONS, June 7, 2023 (Xinhua) -- Zhang Jun (R, front), China's permanent representative to the United Nations, speaks at an emergency meeting of the Security Council at the UN headquarters in New York, on June 6, 2023. Zhang Jun on Tuesday voiced grave concern over the destruction of the Kakhovka hydroelectric power plant dam in southern Ukraine. The protection of civilians and critical civilian facilities in armed conflict is an important principle enshrined in international humanitarian law, said Zhang Jun. (Xinhua/Xie E)