Boy probed for video insulting teacher

(ANSA) - Rome, April 20 - A boy has been placed under investigation for posting a video of a classmate threatening a teacher at a technical high school in Velletri south of Rome, judicial sources said Friday. In the video, the classmate is heard threatening the woman, saying "prof, I'll dissolve you in acid". The episode is the latest in a spate of attacks by students or parents on teachers across Italy.