In an incident in which cars rammed into two places one after another, including the government office of Ibaraki Prefecture on the 6th, the mother of the arrested 2-year-old suspect explained that "her son suddenly caused an incident on the way home from going out on errands in the car together," according to interviews with people involved in the investigation.

Before 6 p.m. on the 1th, a black car rammed into the square in front of the city hall in Hitachi City, Ibaraki Prefecture, seriously injuring three people, and about 3 minutes later, a white passenger car crashed into the main entrance of the Tokai Village Office, about 30 kilometers away.

Suspect Yasushi Mashiko (16) of Hitachi City was arrested on suspicion of damaging a building for ramming into the Tokai Village Hall with a car, and according to the police, he admitted to the investigation and said, "I did both of the cases, and I had a grudge against the Tokai Village Office and Hitachi City Hall."

According to the investigation so far, it is known that the suspect's mother was riding in the car with him in the case of Hitachi City, but according to those involved in the investigation, in response to the subsequent police interview, the mother said, "My son suddenly caused an incident on the way home from going out on errands in the car together It is explained that.

Police are investigating the details of the circumstances that led to the sudden incident on the way home.