The perpetrator known only as ‘Chang’ posted video of the vicious 20 minute assault on social media.
In the video Chang stops a moped being driven by his old teacher on a street in the city of Luoyang, China. He asks the man, known as Zhang ‘Do you remember me?’, then begins slapping him on the face.
50 year old Zhang did not fight back, and can be heard saying, ‘I’m sorry.’
Chang’s grudge stemmed from an incident 20 years ago, while a student in Zhang’s class at high school. As punishment for sleeping in class, Zhang made the boy kneel in front of the class, then kicked him ‘ten times’ in the head.’
Zhang did not lay a complaint with police, but they caught up with Chang and arrested him after seeing the video online.
Corporal punishment in Chinese schools was outlawed in 1986, but instances of child abuse continue to this day.