NEW YORK (AP):

The alleged beating of pop star Rihanna has inspired an online public-service announcement about dating violence.

A new video by the teen organisation, DoSomething.org, features actors recreating the pop star's grim, highly publicised confrontation with her boyfriend, singer Chris Brown.

Dating abuse

They re-enact details from a Los Angeles police affidavit alleging that on February 8, Brown punched, bit and choked Rihanna until she nearly lost consciousness.

The brief clip can be viewed on YouTube. It closes with the statistic that one in three teenagers is abused in a relationship, and promotes free bracelets - one blue, two black - that spread awareness about dating abuse.