Four Chinese Maritime Police vessels sail off the Senkaku offshore at 10:54 on December 30.

According to the 11th Regional Coast Guard Headquarters, four vessels from the China Coast Guard are sailing offshore of the Senkaku Islands in Okinawa Prefecture, in a connection area just outside Japan's territorial waters.

The four vessels are warning and monitoring that the Coast Guard Headquarters will not approach territorial waters, as they are sailing approximately 33 km to 35 km south-southeast of the southern island of the Senkaku Islands as of 9:00 am on March 30.