Video of Brutal Attack on Teenage Girl Goes Viral [Watch]

A video of a horrifying assault on a young woman by a female attacker has spread across the Internet.

In a smartphone clip, uploaded to Instagram on Tuesday, a girl called Sharkeisha is seen viciously sucker-punching a girl called Shay in the face before kicking her in the head as she lies curled up on the ground.

Sharkeisha then has to be restrained by another young woman as her victim lies on the ground, protecting her head with her hands.

Continue, below for video: