A shocking video showing a 15-year-old schoolgirl being stripped and brutally beaten by a group of teenage girls in Lingao, Hainan province has prompted mass debate about teen violence.

The video shows a group of girls beating one teenager by kicking and slapping her nd then stripping her of her clothes.

The girl tried to run away but the bullies chased her and caught her. Then they kicked and slapped her again.

As the 15-year-old girl is brutally beaten, a group of young girls in their school uniform appeared to stand and watch.

Local police are investigating the case, but none of the bullies have been identified yet, as Daily Mail reports.