Disturbing video footage shows the moment a high-school's Deputy Principal brutally slaps a pupil for 'not doing his homework.'
The footage was recorded in Lanzhou, China on April 19 and was posted online.
In the footage, students can be seen stood at the front of class as the teacher continually shouts.
In the video posted to Youku, four students can be seen standing in front of the blackboard at the front of the class.
He begins to shout at them about their homework. He tells the students that they were spending their family's money on clothes and other things.
The deputy-principal says that their homework from the beginning of school to now is the same.
The man becomes furious, suddenly grabbing one of the students by his ears.
He then slaps the same student across the head twice.
The other students try and avoid confrontation by standing there silently as he continues his tirade.