Two minors who allegedly attacked and killed another student at a California middle school were booked under voluntary manslaughter charges, reports said Wednesday.

The students were initially charged with suspicion of an assault aimed to produce great bodily injury following the fight at Landmark Middle School in Moreno Valley, California, located on 65 miles east of Los Angeles that happened on Sept. 16. The charges against them were upgraded on Sept. 29 after the victim died. A video recorded by someone during the fight helped identify the two students, local reports stated.

The victim, identified only as Diego, 13, was rushed to the hospital immediately after the incident took place. The hospital pronounced him dead on Sept. 24, police said.

Identities of the offenders, both 13 years old, were withheld because they were minors. They were charged with one count of voluntary manslaughter, a spokesman with the Riverside County District Attorney's Office said Wednesday.

Fox 11 reported that the Moreno Valley student was pronounced clinically dead despite “rigorous medical intervention and treatment efforts” on Sept. 24. The two students who attacked him were arrested on Sept. 29.

The video of the fight taken on a cell phone, which was doing the rounds on social media, showed the two teenagers punching Diego and knocking him down. His head hit a concrete pillar as he fell.

"Preparations by Diego's family are underway for organ donation to transform this tragedy into the gift of life for other children," announced the sheriff's department last week.

The teenagers were lodged in a juvenile facility.

Diego was reportedly harassed before the deadly assault was launched on him. School district officials promised to hire behavior specialists after the incident. There were

The district attorney's office refused to comment on the incident when approached by ABC News.

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Representational image of a handcuffed man. SERGEI SUPINSKY/AFP/Getty Images