Police in Kurashiki, Okayama Prefecture, on Saturday arrested a 16-year-old boy on suspicion of murdering his 44-year-old mother.
According to police, the boy called 110 at around 1 a.m. to say that he had killed his mother. Fuji TV reported that police rushed to the scene and found the woman lying on the floor of the living room, bleeding from head and stomach wounds. She was taken to hospital where she was pronounced dead.
The boy was quoted by police as saying he hit his mother on the head severeal times with a hammer and then stabbed her in the stomach and back.