China’s top diplomat Wang Yi called for “unity and the safeguarding of international justice” during a meeting with UN General Assembly President Annalena Baerbock on Wednesday, urging a global front against the “law of the jungle” amid deepening geopolitical tensions.

During the talks in Beijing, Wang told Baerbock that multilateralism faced “severe challenges” from unnamed powers prioritising “might over right”, a veiled critique of Washington.

“Certain countries pursue a policy of ‘strength...