Tear Gas Prank Leaves 24 Students Injured
A second-year high school student was arrested at the scene after allegedly releasing tear gas spray inside a classroom at Osaka University of Commerce Sakai High School on September 16, leaving 24 students complaining of coughing, throat pain and other symptoms. (News On Japan)
We haven't written up this one. News On Japan has the full story — the link below goes straight to it.