CHALMETTE, La ( WGNO) — A 17-year-old is in custody after an incident that almost turned violent at Chalmette High School. Sheriff James Pohlmann says the juvenile was a former student of the school.

Just after 3 p.m., deputies St. Bernard Parish Deputies were called to Chalmette High School at 1100 E. Judge Perez Drive in Chalmette on reports of s fight. Investigations revealed a male was involved in a fight with a group of students and during the altercation, he pulled out a gun.

Detectives discovered he was a former student at the school and he was later arrested and booked on charges of juvenile in possession of a firearm and possession of a firearm on school grounds. Since the incident happened after school hours deputies say no one was injured.

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This is an ongoing investigation and anyone with information is asked to call the St. Bernard Sheriff’s Office at (504) 271-2501 or (504) 278-7630. Residents also can call the Criminal Investigations Bureau’s tip hotline, (504) 271-TIPS or 8477, where they can leave a detailed message, and either choose to provide their contact information or remain anonymous.