With Western sanctions cutting off supplies, China has become Russia’s sole source of critical minerals used in weapons production—including nuclear arms—deepening concerns over Beijing’s support for Moscow’s war effort.

"He's not done very much on that," Trump told reporters at the White House on Jan. 21. "He's got a lot of ... power, like we have a lot of power. I said, 'You ought to get it settled.' We did discuss it.

Russia and Ukraine appear to be ready for peace talks but their leaders are issuing new conditions for an end to the war.