ROLESVILLE, N.C.– A video provided to CBS North Carolina shows a police officer slamming a female student to the ground during an incident Tuesday morning at Rolesville High School.

Wake County Public Schools said it is aware of the video and could not make further comment until it investigates the incident. The District is working with Rolesville Police in its investigation.

*Warning: This video contains graphic language

The station reports that a witness who recorded the video said it shows the end of a fight that occurred around 7:10 a.m. The witness said the girl who was slammed “was trying to defend her sister and to break things up.”

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According to the Raleigh News & Observer, the officer seen in the video is a Rolesville police officer. Rolesville Mayor Frank Eagles reportedly said there is body camera video of the incident, possibly from both of the school’s two resource officers. It’s not clear whether the officer involved in the incident is one of the school resource officers.

The ACLU-North Carolina tweeted about video saying it displayed a “disturbing use of force.”