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.

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.

A Chinese diplomat’s call to cut off the prime minister’s “filthy head” signaled a revival of a combative style Beijing had tried to dial back.

China has dispatched coast guard vessels and military drones to the Senkaku Islands, marking another escalation in tensions with Tokyo following Japanese Prime Minister Sanae Takaichi's controversial remarks about Taiwan.

A fresh wave of tension has hit the seas between China and Japan after China sent its coast guard ships through the waters around the Senkaku islands. Rising Tension in Disputed Waters These islands are controlled by Japan,