Japan's Prime Minister Sanae Takaichi says she has spoken with U.S. President Donald Trump right after he spoke with China, which was angered by her recent comments about Taiwan.

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.

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.

The remarks come amid the two countries’ worst diplomatic crisis in years, after the Japanese prime minister said a Chinese attack on Taiwan could trigger a military response from Tokyo.

The Japanese PM recently said the country's military could get involved if Beijing takes any armed action on Taiwan

HONG KONG -- China will suspend imports of Japanese seafood, according to ABC News partner NHK, escalating a diplomatic dispute triggered by Japanese Prime Minister Sanae Takaichi’s recent comments suggesting Tokyo could take military action if China attacks Taiwan.

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Trump’s back-to-back calls with Xi and Takaichi did nothing to temper Beijing’s pressure campaign on Tokyo over Taiwan.