Japanese authorities search Doshisha International Senior High School in Kyoto Prefecture following a fatal boat accident during an Okinawa field trip, according to multiple reports. The Japan Coast Guard raids or searches the school after starting an investigation on suspicion of professional negligence resulting in death and injury. The incident occurs during a student outing in Okinawa, where a boat accident leads to fatalities and injuries. Both outlets report that the school is targeted as part of the investigation, with the Coast Guard looking into circumstances surrounding the trip and the boat use. While details on the number of casualties, the vessel, and what exactly investigators focus on are not fully specified in the provided accounts, the common points are that the Coast Guard conducts the search and that the legal basis involves suspected professional negligence tied to the deaths and injuries. The investigation is ongoing, and additional information is expected as authorities determine contributing factors and whether any individuals or parties face further action.