Tension between Japan and China has escalated over the new Japanese leader's suggestion Tokyo could intervene militarily if Beijing attacks Taiwan.

Japan has urged its citizens in China to stay alert and avoid large crowds amid a diplomatic row over Prime Minister Sanae Takaichi's Taiwan remarks.

China advised its citizens Friday to refrain from traveling to Japan in the near future. It cited earlier attacks against Chinese in Japan and what it called Prime Minister Sanae Takaichi 's "erroneous remarks" on Taiwan, which it said undermined the atmosphere for China-Japan exchange.

Withdrawal follows PM Takaichi’s Taiwan comments, prompting Beijing to issue warnings and cancel exchange events.

Tokyo's foreign envoy has reportedly left the Chinese foreign ministry building in Beijing without responding to questions from the media. Masaaki Kanai had met his Chinese counterpart Liu Jinsong to lay out Tokyo's position on Taiwan.

Tokyo has launched urgent diplomatic outreach as Beijing ramps up retaliation, media attacks, and travel warnings over Takaichi’s Taiwan comments

By John Geddie, Tim Kelly and Mariko Katsumura TOKYO (Reuters) -Japanese Prime Minister Sanae Takaichi sparked a diplomatic spat with China over remarks last week that a hypothetical Chinese attack on democratically-ruled Taiwan could trigger a military response from Tokyo.

Japan's Prime Minister Sanae Takaichi raises her hand to answer a question during a session of the House of Councillors Budget Committee at the National Diet in Tokyo, Japan on No

Japanese stocks and government bonds extended losses on Tuesday, as sentiment cooled on concerns about a diplomatic spat between Tokyo and Beijing and fiscal health at home.