SAN BERNARDINO, Calif. (AP) — Authorities are investigating reports of shots fired on a Southern California college campus, but there are no reports of any injuries.

Officials at California State University, San Bernardino said shots reportedly were fired at about 6 p.m. Wednesday near the campus’s visual arts building and a parking structure. Classes are canceled for the night and students on campus are on lockdown.

Police say they are combing the area looking for a shooter.

The school about 60 miles east of downtown Los Angeles has about 20,000 students.