Police in Yachiyo, Chiba Prefecture, are looking for the person or persons responsible for breaking into a junior high school and leaving a tap running overnight in a classroom.

According to police, the incident occurred at Owada Junior High School late Saturday night or early Sunday morning. Sankei Shimbun reported that a school staff member discovered the flooded classroom on the 4th floor at around 7 a.m. Sunday and notified police. The water had trickled down the stairs into classrooms on the third and second floors as well.

Police said the building was locked when the last teacher went home at 9:30 p.m. on Saturday.

Meanwhile, local media reported that the same incident occurred at another school two kilometers away on Sept 5.

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