4 Chinese Coast Guard ships invaded the territorial waters off Senkaku.

4 Chinese Coast Guard ships enter the territorial waters off Senkaku.

Off the Senkaku Islands in Okinawa Prefecture, it was confirmed that four Chinese Coast Guard ships had invaded Japan's territorial waters, so the government has set up a crisis management center in the Prime Minister's official residence. The room was switched to the “office for the public residence” at 10:17 am to collect information and monitor the alert.