The reaction online was fast and furious.

A video showing students of Pakistan Higher University in Lahore attempting a risky stunt with their classmates has gone viral and sparked a major reaction on social media. In the video, two students approach another from behind and flip him upside down by the neck, a move that left viewers alarmed rather than entertained. The clip also shows the trick being repeated with several students.

Posted on Instagram by Ali Hasan and Zaki Shah, the clip has racked up more than 48.7 million views with the caption “Fun moments at Higher University.”

Watch the viral video here:

The Internet reaction was fast and furious, with numerous users flooding the comments to express their concerns about the safety of the hack.

One user wrote: “This is not funny at all! This is dangerous.”

Another user commented: “If someone did this to me they would be in heaven and I would be in jail.”

“You guys can literally break someone’s spine,” the third user commented.

“This can cause serious injury,” another concerned user wrote.

“Neck breaking trick,” the fifth user wrote on Instagram.

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