U.S. President Joe Biden called Saturday for China to use its clout to prevent an escalation of Russia's war in Ukraine through the dispatch of more North Korean troops, while raising concerns over the possibility of Pyongyang engaging in provocations,

President Joe Biden is expected to use his final meeting with China’s President Xi Jinping to urge him to dissuade North Korea from further deepening its backing of Russia’s war on Ukraine.

Ukraine’s allies will look to pressure China over North Korea’s growing support for Russia’s war during a Group of 20 Summit in Brazil, according to people familiar with the matter.