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A Tennessee high school student who pepper sprayed a teacher is facing discipline from the school and a police investigation. The student is accused of pepper spraying her teacher after he took her phone away for allegedly using it to cheat on a test. Dramatic cell phone video of the incident at Antioch High School racked up millions of views on social media. This was the second time this teacher has been assaulted by a student. Two months earlier, the same teacher was punched in the face after taking a different student's phone when they were caught cheating in class.