More than 30 students were taken to hospitals Tuesday after being accidently exposed to pepper spray inside a classroom at the Tokyo Korean School, Kyodo News reports citing emergency workers.
They were complaining of eye pain following the incident reported at around 9:55 a.m. but their symptoms are minor, the rescue workers said.
According to police, a middle school student accidentally used the pepper spray owned by a friend during a recess period.
More than a dozen ambulances and police cars were sent to the school in Shinjuku Ward.