The management board of a high school in Hanoi on Tuesday said they will investigating a video that shows six male students, allegedly from the school, attacking a classmate.

The board said if the students are from the school, they will face strict disciplinary measures, Kien Thuc news website reported.

In the short video released by the news website, the six students repeatedly beat and kicked the girl at her head, who remained still at her desk during a break.

One of the boys sat on her head while the other laughed.

A girl was shown trying stop the attack.

The video, which went viral on Monday, sparked anger among local Internet users, who then tried to find out where it was filmed.

Amateur inspectors soon later discovered the name of the private school in Hanoi.