China-Japan tensions escalate after Tokyo labels Beijing as its 'greatest strategic challenge'

Tensions between China and Japan have escalated following Japan's latest defence white paper, which labels Beijing as Tokyo's 'greatest strategic challenge' and comments on Taiwan. China has lodged a 'serious diplomatic' protest, reiterating its claims over Taiwan and the Diaoyu Dao (Senkaku) islands in the East China Sea. Japan's white paper emphasizes the need for national strength and cooperation with allies in the Indo-Pacific, coinciding with a showcase of its new long-range anti-ship missile. The article also touches upon Japan's 'Three Non-Nuclear Principles' and a potential debate over their review.