A Fontana man and woman accused of going to a high school in Victorville to retaliate against a student who fought their niece were arrested on suspicion of threatening school officials and having a gun on campus, sheriff’s officials said.

The pair — identified as Melvin Lesure Jr., 31, and Jisel Lee, 18 — is scheduled to appear Thursday in Victorville Superior Court in connection with the incident, according to online jail records.

Sheriff’s deputies responded to a reported disturbance involving Lesure and Lee at 3 p.m. Tuesday at Silverado High School, in the 14000 block of Cobalt Road, according to a San Bernardino County sheriff’s news release.

When Lesure and Lee arrived at the campus, they allegedly threatened and pushed security officers who intervened, the news release stated. A security officer used pepper spray on Lesure and detained him, while Lee and their niece fled to a car.

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Security personnel detained everyone until deputies arrived. A subsequent search following the arrests uncovered a loaded 40-caliber semi-automatic handgun, an electronic stun gun and pepper spray, the news release stated.

Lesure and Lee were booked into High Desert Detention Center in Adelanto on suspicion of threatening school officials and possession of a firearm in a school zone. Both are being held in lieu of $25,000 bail.