On June 22, the Japan Coast Guard’s 11th Regional Coast Guard Headquarters (Naha) announced that the two China Coast Guard ships that had intruded into Japanese territorial waters near the Senkaku Islands in Ishigaki City, Okinawa Prefecture, on June 21 remain in Japan’s territorial waters. This marks the 13th intrusion this year by China Coast Guard vessels into Japanese territorial waters. According to the JCG 11th regional headquarters, the two ships entered the waters along with a Japanese fishing vessel at around 4:10 a.m. on June 21. The regional headquarters deployed a patrol boat and issued a warning to the Chinese ships to leave the waters. On June 22, the 11th regional headquarters separately confirmed two other China Coast Guard ships sailing in the contiguous zone outside Japanese territorial waters. One of the vessels appeared to be armed with a cannon.