China and Japan are two of Asia’s most powerful nations and the region’s biggest trading partners. Yet centuries of intense rivalry mean their economic embrace can never be taken for granted.

With Japan’s new leader refusing to back down from China’s show of force and claims on Taiwan, Xi Jinping picks up the phone to try to pry the U.S.-Japan alliance apart.

Japan's new leader prime triggered the dispute by saying Japan could intervene in a confrontation between China and Taiwan.

By Yoshifumi Takemoto, Satoshi Sugiyama and Tim Kelly TOKYO (Reuters) -"Call me anytime" was the message Japanese Prime Minister Sanae Takaichi said she received from U.S. President Donald Trump on Tuesday in their first phone call since Tokyo's leader sparked a major diplomatic bust-up with China.

Chinese Foreign Minister Wang Yi says Japan has "crossed a red line” with comments by the country's new leader suggesting a potential military intervention over Taiwan

Japan on Tuesday rebuffed China's claim that it can take military action against nations defeated in World War II based on the U.N.

China is trying to impose economic costs on Japan for wading into the issue of Taiwan. But experts say the escalating dispute could ultimately hurt China too.

Prime minister says leaders discussed Indo-Pacific ‘challenges’ amid tensions over Taiwan between Tokyo and Beijing