(RNN) - Police cleared campus buildings Wednesday night amid an investigation into a shots fired report at Cal State San Bernardino, a campus social media account stated.
No one was injured, but classes were canceled.
After students, visitors and faculty were forced to shelter in place for hours as police investigated, the all clear was given.
However, everyone was advised to leave campus.
Police continued to monitor the university throughout the night.
All clear. Everyone not living on campus should immediately leave. Police will continue to monitor the campus. Classes will resume tomorrow, January 11. #CSUSB— CSUSB Tech Support (@CSUSBSupport) January 11, 2018
Authorities say an object struck a window of a campus building but couldn't confirm it came from a gunshot. The object may have been fired from a hillside above the school.
San Bernardino Police Department Lt. Mike Madden said there was no active shooter on campus, and authorities weren't sure that shots were fired, KTLA reported.
Classes will resume Thursday.
Copyright 2018 Raycom News Network. All rights reserved. KCAL/KCBS contributed to this report via CNN.