San Bernardino, California (CNN) - California authorities are investigating a deadly officer-involved shooting of a graduate student at California State University. Campus police in San Bernardino responded to a disturbance Saturday night at an off-campus dormitory. Investigators say 38-year-old grad student Bartholomew Williams became aggressive with police. "They contacted him in the hallway of his dorm.
During this contact a physical altercation occurred.
Officers, fearing for their safety, fired their weapons striking him in the chest area. He was pronounced deceased here at the scene."
Medics treated one officer for minor injuries.
Authorities say Williams enrolled in grad school there in summer 2011, majoring in educational instructional technology.