Elsewhere, Russia and Ukraine agreed to exchange more prisoners and return the bodies of 12,000 dead soldiers, Reuters reported.

The learnings support China's development of strategies and policies for strategic competition with the United States, the report said.

Aiming to create a "buffer zone," Russian forces have seized villages near Sumy, Ukraine’s northern regional capital. As 50,000 Russian troops accumulate on Ukraine’s border, the Sumy region prepares for a renewed large-scale offensive. More than 200 settlements are under evacuation orders after Russia advanced deeper into Ukrainian territory.