Bangladesh, Oct. 30 -- In a surprising turn of diplomatic developments, US President Donald Trump announced that Washington and Beijing have agreed to “work together” toward a settlement of the Ukraine conflict. Speaking aboard Air Force One after his meeting with Chinese President Xi Jinping in Busan, South Korea, Trump revealed that Ukraine was a major topic during their high-level discussions and that both leaders had pledged to cooperate in seeking a resolution.

“Ukraine came up very strongly. We talked about it for a long time, and we are both going to work together to see if we can get something done,” Trump told reporters. The statement marks one of the clearest indications yet that the United States may be...