Japanese police arrest a 49-year-old woman near Tokyo over an alleged assault in which she is accused of sewing her housemate’s lips shut. Multiple outlets identify the suspect as Masae Sakurai, a part-time worker living in Ibaraki Prefecture, northeast of Tokyo. Police say Sakurai was arrested on suspicion of injuring a 42-year-old woman she had been living with since around April 2025. According to reports, the alleged incident takes place on June 29 at Sakurai’s home, where the accused is accused of using a needle and thread to sew the roommate’s lips together. The injured woman tells police she was too scared to run away before the attack. After the incident, the victim is unable to eat or speak and seeks help, reportedly fleeing and communicating with a written message. Police also describe the case as involving a serious bodily injury, and the arrest occurs on Monday in Koga, according to local reporting. The suspect has not been described as having admitted wrongdoing in the accounts provided.