During a night brawl, a woman punched a rival’s head into the pavement moments before cops unleashed pepper spray at her in Coney Island, New York City, July 28, 2017. In this photo, protesters scuffle with police during a march against police violence in Manhattan, New York City, April 14, 2015. Getty Images

A violent video showing women rolling around on the ground, punching each other, and banging each other's heads on pavement at Coney Island, New York City, has gone viral on social media. The video dated July 28 was posted by a witness, Papitó Cortez, on his Facebook page. It had received more than 2.5 million views at the time of publishing.

It remained unclear, however, as to what prompted the group of women to break into such a vicious fight. The police officers from the New York Police Department (NYPD) seemed to have a tough time while responding to the fight.

In the video, it can be seen the cops used pepper spray to disperse the crowd. The fight was captured on Cortez's cell phone and posted on the social media website July 29. The brawl led to the arrest of six women and two men after the cops were able to stop the fight at Bowery St. and W. 12th St. near Luna Park, the New York Daily News reported.

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During the scuffle, one of the officers suffered a knee injury and she can be seen lying on the ground and writhing in pain while her fellow officers try to help her. The heated argument began around 11 p.m. EDT, the report said.

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Cortez, a Coney Island rapper, narrated the series of events that took place. He said he was coming out of a club on the boardwalk when the chaos started. “I’m not too sure what it was over or what it was about. Most likely it was serious alcoholic rage.”

Several women hurled abuses on each other, and one of them kept punching another woman so hard that the cops could not stop the beater even after few attempts. “That was pretty brutal,” the Daily News reported citing Cortez. A man in a white T-shirt is also seen yelling on a woman.

This incident in Coney Island — a peninsular residential neighborhood, beach, and leisure destination — is not the first. In April, another video had surfaced on social media that captured a violent attack on a boy during a crowded Easter Sunday on the Coney Island Boardwalk. The incident caused panic among the people, the CBS New York reported.

In the video, the boy is seen lying on the street. He is being kicked in the head outside Luna Park. The police said the victim was rushed to Interfaith Medical Center by his mother, according to the report. The teenager suffered a punctured lung after the brutal attack.

Read: Sharks Spotted On Coney Island Beach Cause Brief Evacuation

However, about an hour after this incident, a 27-year-old woman was hit in the head with a bottle. This produced loud noises that were mistaken to be sounds of gunfire, reports said. “People were walking, they were trying to get out, they were climbing the fences,” said witness Ruben Suazo.

But the police tried to pacify the crowd and even took to micro-blogging site to rubbish off gun shooting reports.