Police arrested a 56-year-old woman on Sunday for allegedly stabbing her husband and daughter to death and injuring two other family members in a domestic dispute, police said.
Police arrested Miyoko Komiyama on suspicion of stabbing her husband, Shigemitsu, 59, and their daughter Reiko, 25, to death with a knife around 5:30 a.m. at their home in Nagaizumi, Shizuoka Prefecture.
She also stabbed her pregnant 28-year-old daughter, Takako Ushirokawa, and Takako's husband, Kazunori, 32, from Yokohama, police said. Takako was rushed to hospital and gave birth to a baby boy, one day ahead of her due date.
According to investigators, Takako Ushirokawa called for an ambulance at around 5:30 a.m. Sunday, reporting that her family members had been stabbed.