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A group of young girls whose brutal attack on another girl was caught on camera have been identified by police.
Officers are now trying to track the down the four girls aged between 12 and 16 who assaulted the 14-year-old girl outside a Christchurch school on Saturday.
Footage of the attack was caught on camera and posted by a concerned schoolboy on his Facebook page, 'Only Kiwis Will Get This'.
The footage shows the girl dragged by her hair and forced to take part in a fight.
She is surrounded and repeatedly punched in the head as she tries to cover her face. Others kick her on the body.
At the end of the 1.07-minute video, the girl collapses by the roadside.
The Facebook posting comes with an introduction which says, "Ok everyone so over in Christchurch there has been a 4 on 1 beating that has caused lots of drama in Christchurch. Poor thing, she didn't even want it she was dragged into it! Like to support the poor girl."
It has received almost 8000 likes, and has been shared 2,300 times.
The page was set up by 14-year-old Jayvin Ryder,
He posted the video after seeing it being shared with some of his online friends.
"What I was trying to achieve for this was to stand up for her and make sure nothing else happens," he told 3News yesterday.
"What I want to do is get everybody in a big group and help her really, because everyone who gets bullied shouldn't be."
Police received a complaint and a copy of the video.
"We have positive leads as to the identification of the alleged offenders," a police spokesman said today.
There are four females aged between 12 and 16, he said.
"We are making inquiries to locate and speak to them."
They have not been been spoken to and inquiries are continuing, the police spokesman said.
The 14-year-old victim is recovering at home.