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

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

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.

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.

Takaichi has called China an "important neighbor" and faces the challenge of balancing ties with both Beijing and Washington, Japan’s top trade partners, amid tensions over Taiwan and a territorial dispute over an island group in the East China Sea.

Prime Minister Sanae Takaichi said a Chinese attack on Taiwan could constitute “a survival-threatening situation” for Japan, drawing sharp criticisms from Beijing.

Ukraine’s Defense Intelligence (HUR) has revealed a startling discovery about Russia’s ongoing war efforts. According to their latest report, Russian defense factories continue to rely heavily on foreign-made machinery to produce key weapons,