Video appears to show NYPD beating teen

NEW YORK - The NYPD said its Internal Affairs Bureau is reviewing an incident after video of a violent confrontation between a teenager and police was posted online, reports CBS New York.

The video posted Wednesday shows three uniformed officers holding the teen while an officer in street clothing runs up and repeatedly punches him.

Witnesses reportedly believed the boy to be 12-years-old, but police said he's 16.

The NYPD said the teen was arrested with two others for allegedly assaulting another person with a cane.