A San Bernardino County high school went on lockdown Tuesday after the school became aware of a student on campus with a loaded firearm. According to the Hesperia Unified School District, administrators at Oak Hills High School became aware of a student with a firearm and contacted the school district police immediately to lock down the campus and apprehend the student. No injuries were reported. “Law Enforcement and admin quickly located and arrested the student and recovered a loaded firearm... Read this story