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, Japan, and South Korea have agreed to strengthen economic ties days ahead of Trump's planned announcement of more tariffs. The three countries held their first economic dialogue in five years in Seoul, South Korea, on Sunday (Mar. 31), CNBC reported.

China, Japan, and South Korea agreed to a joint response to US tariffs after their first economic dialogue in five years. They plan to strengthen supply chains, cooperate on export controls, and pursue a free trade agreement.