China, Japan and South Korea agreed to jointly respond to U.S. tariffs, a social media account affiliated with Chinese state media said on Monday, an assertion Seoul called "somewhat exaggerated", while Tokyo said there was no such discussion.

China is seeking to coordinate its response to U.S. tariffs with Japan and South Korea, Chinese state media said.

Foreign ministers from Japan, China and South Korea sought common ground in areas like aging, low birth rates, natural disasters and cultural exchange at a meeting that took place at a time of growing tensions.