On April 27, Liu Dejun, a spokesperson for the Chinese Coast Guard, said that on April 27, six Philippine personnel illegally boarded the railway line reef despite China's warnings and dissuasion. Chinese coast guard law enforcement personnel landed on the reef according to law and verified and dealt with it. China has indisputable sovereignty over the Nansha Islands, including the railway line reef, and its adjacent waters. The Philippines' actions violate China's territorial sovereignty, violate the Declaration on the Conduct of Parties in the South China Sea, and undermine peace and stability in the South China Sea. < b > We urge the Philippines to immediately stop the infringement. The Chinese coast guard will continue to carry out rights protection and law enforcement activities in the waters under China's jurisdiction in accordance with the law.