China accused the United States of "unilateral bullying" in calling on allies to impose tariffs on China over its purchase of Russian oil, fueling tensions as Chinese and U.S officials meet in Spain to try to resolve trade disputes.

Beijing on Monday slammed US calls for its allies to impose tariffs on China over its oil trade with Russia, warning of swift retaliation if its interests are undermined. "China will take resolute countermeasures to protect its sovereignty,

China on Monday said it firmly opposed the United States calling on the G7 and NATO countries to impose secondary tariffs over purchases of Russian oil, pledging to take measures to safeguard its rights and interests.

On paper, the project — known as the Power of Siberia 2 — would give Russia a way to replace some of the revenue from its decades of selling natural gas to Europe that was lost over its invasion of Ukraine. The pipeline would carry gas from reserves in western Siberia through Mongolia to China.

Charlie Kirk's killing has exposed U.S. divisions, creating an opening for foreign adversaries to exploit through disinformation.

China-Russia tourism and trade are gaining more momentum as China extends visa-free policy to ordinary passport holders from Russia on a trial basis from Monday. China's Manzhouli, a key trade hub with Russia,

Pete Hegseth and China's defense chief discussed regional tensions following Xi Jinping's military parade showcasing nuclear weapons and alliances with Russia and North Korea.

China, Russia and Mongolia held their first joint border defence drills this week, the Chinese military said on Tuesday, underscoring closer security coordination among the three neighbours.