On the night of the 4th, a man in his 70s was found stabbed with a knife in a room in an apartment in Kashiwa City, Chiba Prefecture, and then died.
Police have arrested a 47-year-old man, believed to be the eldest son of a man, on suspicion of murder and are investigating the details.
According to the police, after 10:30 pm on the 4th, the police were informed that "I stabbed my father with a kitchen knife" in a room in an apartment in Matsubacho, Kashiwa.
When the police rushed in, a man who seems to be a resident in his 70s was stabbed by a knife around his neck and fell down, and died at the hospital where he was transported.
A bloody knife was found on the scene, and police arrested a 47-year-old man, believed to be the eldest son of a man, on suspicion of murder.
The police are investigating the details and motivation of the investigation because they admit the charges.