China has lodged solemn representations to Japan over its infringement and provocation regarding the Diaoyu Islands.
中方已就日方在钓鱼岛问题上的侵权和挑衅行为向日方提出严正交涉。

A spokesperson from the Chinese embassy in Japan says the China Coast Guard took necessary measures to protect their rights in accordance with the law.
中国驻日本大使馆发言人表示，中国海警依法采取必要措施保护他们的权利。

According to media reports, five Japanese National Diet members recently entered the waters near the Diaoyu Islands on a so-called inspection visit.
据媒体报道，5名日本国会议员近日进入钓鱼岛附近海域进行所谓“视察”。

The spokesperson stressed that the islands are China's inherent territory, and the country will resolutely safeguard its territorial sovereignty and maritime interests.
发言人强调，这些岛屿是中国的固有领土，中国将坚决维护领土主权和海洋利益。