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POMPANO BEACH (CBSMiami) — A Pompano Beach student is facing a criminal charge over a fight at Blanche Ely High School.

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Deputies responded to reports of a fight at the school located at 1201 N.W. 6th Ave. around 11:30 a.m. on Friday.

Investigators say an argument started between two students on social media and continued at school.

A female student reportedly walked up to a male student with a knife in her hand. That’s when, deputies say, the male student grabbed her wrist and accidentally cut himself with the knife in the process.

His injuries are minor – a scrape with no bleeding – according to deputies.

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The school was placed on lockdown for about 10 minutes as authorities searched for the knife. They were able to find it.

The female student, who will not be identified, is facing a charge of aggravated assault.

Parents and students at the school say the whole thing makes them uneasy.

“It’s disturbing because my baby girl right here, she walked to school every morning,” said parent Nelta Oscar.

“I feel like this is not the place to be. This is a good school, great school, great program, you know I just. I like it. I don’t know what’s going on,” said 10th grader Sam Petit.

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It remains unclear what the argument was about.