A screen shots from the video aired on The Project.

She was excited to catch up with friends at the local skate park. But as soon as the 15-year-old arrived, two girls ambushed her, pummelling her head, kicking her ribs, and dragging her by the hair.

And to her horror, a video of the vicious attack at Lake Haven Skate Park on December 29 began circulating on social media. It received thousands of hits before being pulled down.

Now, the traumatised teenager is too frightened to leave the safety of her Central Coast home by herself.

A screen shots from the video aired on The Project.

"I think 'what's going to happen next?' or 'are they going to come back and get me?'", the victim, whose identity was not revealed, told Network Ten's The Project. 

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"No, I don't feel safe. I feel like people are going to come by my house and that it's going to happen again."

The video shows at least 15 people stood by as the two girls attacked.

Mother and daughter appearing on The Project.

A young man egged his violent girlfriend on: "That's it babe, that's how it's done." He stops others from stepping in: "No one's jumping in on my missus, mate."

A 14-year-old girl has been charged over the alleged assault. On Tuesday, she will face Wyong Children's Court charged with affray and assault occasioning actual bodily harm.

Police said they are still looking for another girl over the incident.

The victim's mother, whose name was withheld, also appeared on The Project. She said she struggled to understand why people chose to watch the video of the ruthless attack.

"I guess it's the notoriety. They feel like they're good in some way for doing this. but as you say, in our day, it was not something to be proud of," she said.

Asked by the panellist if she had a message for the attackers, she said: "Not only does it physically impact other people but for the rest of her life she's going to have this sitting on her shoulders and so are they and the consequences that come with it."

- with AAP