According to the San Francisco State University Police, one person has been detained.
Police now say their investigation has concluded and they have found that the package was not a threat to public safety.
Subject @SFSU library has been detained. Please stay away from library due to police activity.— San Francisco State University Police Department (@SFStatePD) November 25, 2019
Police are investigating a suspicious package in the Library. Continue to avoid the area. The shelter in place has been lifted for all other parts of the @SFSU Main Campus.— San Francisco State University Police Department (@SFStatePD) November 26, 2019
An alert to students was sent out at 3:25 p.m. and said people should avoid the area and shelter in place. The campus is located at 1600 Holloway Ave.
As of 4 pm, police have lifted the shelter in place for all other parts of campus. Authorities say the Library will resume normal activities on Tuesday.