A sickening video of a young boy being bullied, chased and assaulted in Mandurah has been circulated on social media.
Appearing on Sunday morning, the video shows a group of teenage boys accosting a boy before stealing his shoes.
One of the perpetrators punches the victim forcibly twice, with the case of bullying a source of concern for the authorities.
If you have any information on the video, contact Crime Stoppers on 1800 333 000 or file a report online at crimestopperswa.com.au.