Japanese navy destroyer Suzutsuki entered China's territorial waters near Taiwan without prior notice on July 4.

A Japanese navy destroyer, Suzutsuki, entered China's territorial waters near Taiwan without notifying China on July 4, despite warnings by Chinese vessels. The Suzutsuki reportedly sailed into Chinese waters off Zhejiang province, where China had announced it would conduct naval drills. Japan's defense ministry has launched an investigation into the destroyer's captain after Beijing expressed "serious concerns."