Oil prices edged up on Monday after fighting between Russia and Ukraine intensified over the weekend, although concerns about fuel demand in China, the world's second-largest consumer, and forecasts of a global oil surplus weighed on markets.

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.

NATO and the European Union are ramping up pressure on China. They want Beijing to persuade North Korea to stop sending troops to Russia in support of its war on Ukraine.

US Air Force Col. Cedric Leighton (Ret.) says that he thinks President Joe Biden reversed course and authorized Ukraine to use US-made long-range attack missiles in response to North Korea military personnel entering the conflict.