https://cdnph.upi.com/ph/st/th/2251776726484/2026/upi_com/1a6911dbefe8dcfa6e82e231f569af1c/v1.5/China-Japan-tensions-escalate-after-Taiwan-Strait-passage.jpg" /> Relations between China and Japan have continued to deteriorate since late 2025, with recent military and diplomatic developments raising concerns.