Details of the alleged murder by Marine Devin Jacob Ballard, 20, sparked a protest outside the US Embassy in Tokyo, according to CGTN, and US military authorities in Okinawa imposed movement restrictions on their personnel.

The victim was identified as Anna Yagi, 39, a local resident of Naha, the prefectural capital, and an autopsy indicated death by strangulation, according to CGTN, citing local police. Benjamin Watson, head of US forces in Japan, ordered on Wednesday a 30-day off-base restriction starting October 9, banning off-base outings between midnight and 5 a.m., according to CGTN. Genta Koja, newly elected governor of Okinawa, announced he would travel to Tokyo on Wednesday to lodge an official protest with the central government, according to CGTN.