China has responded to comments by Prime Minister Sanae Takaichi of Japan about Taiwan with economic reprisal and island patrols.

The diplomatic row over comments on Taiwan has evolved from a war of words to Beijing advising its citizens against travelling and studying abroad in Japan.

China sent Coast Guard ships near disputed islands and warned travelers and students about safety risks in Japan. The escalation is over comments on Taiwan by Japan’s new prime minister.

Japanese premier's remarks 'cause fundamental damage to the political foundation' between Beijing, Tokyo, says Chinese Foreign Ministry - Anadolu Ajansı

Chinese officials are fuming over the Japanese prime minister's remarks about intervention during a Taiwan contingency.

Both countries have summoned each other’s ambassadors after Prime Minister Sanae Takaichi said a Chinese attack on Taiwan could draw a military response from Tokyo.

Heavyweights clash as election of hawkish PM Sanae Takaichi and US policy unpredictability change calculus in region

Takaichi ignited a diplomatic dispute with Beijing after she made a statement in the Japanese parliament last week that a Chinese invasion of Taiwan could create a "survival-threatening situation" and prompt a military reaction from Tokyo.