ORANGE, Calif. (KABC) -- A student with special needs died Monday from injuries sustained after crashing a security guard's golf cart on the campus of an Orange County high school, district officials say.The Orange Unified School District said 15-year-old Emanuel Perez suffered "major" injuries in the incident at El Modena High School and was transported to a local hospital. Perez died from his injuries Monday night, officials say. Specific details on when the crash occurred have not yet been released.According to Superintendent Gunn Marie Hansen, Perez was being supervised by a one-to-one aide who attempted to stop him from operating the golf cart.After getting into the cart, Perez apparently rammed it into a pillar. School officials say no other students were involved in the accident.The family is demanding answers as to how the incident happened. Family members said that the school can't simply say that is was an accident."If (the school) can't handle a special-needs program, then why have it?," Ricardo Sanchez, a family member of Perez asked.The school is working with law enforcement to determine how the accident happened. The following letter was sent to families of the high school:The superintendent said a team of school psychologists have been made available to those affected by the traumatic incident."...we are struggling to find the words to convey the shock and heartbreak we are all feeling. Nevertheless, we mourn this loss together, as one community that has so often demonstrated strength, resilience, faith and compassion," Hansen said in a written statement.An investigation is ongoing.