cu boulder bomb threat: What happened at CU Boulder? Unconfirmed bomb threat leads to library evacuations

Due to an unjust bomb threat, Cu Boulder removes the evacuation order. It was given in the afternoon after all clear afternoon, but a building will remain closed.
The police at the University of Colorado Boulder released three major buildings on campus on Thursday after receiving an unapproved bomb threat.
Which CU Boulder buildings were cleaned?
Officers, according to the daily camera report, to ensure that students and faculties are safe, the Norlin Library, Ketchum Art and Sciences and Ramaley Biology quickly cleaned the Biology.
Close to Colorado Boulevard and Pleasant Street, three buildings were closed as a security measures. Campus police told students and staff to leave immediately so that they can secure the region.
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The non -affected buildings continued as planned and other campus buildings remained open.
What did the police do about the threat?
The Cu Bolder police were responsible for the response, including K-9 units looking for all of the three buildings. Authorities, Boulder police officers and Boulder fire rescue teams do not participate in the operation, he says.
Around 13:15, about an hour after the first warning, the evacuation order was removed, according to Kusa’s report.
Cu Emergency Warning 6: The evacuation order was removed for Norlin, Ketchum and Ramaley. Cupd may accompany Norlin for the items when necessary. Norlin remains closed today. Classes will continue in Ketchum and Ramaley. Inform https://t.co/vbgm0dt7pp.
– Cu Boulder Police (@cuboulderpolice) September 12, 2025
Later on the day, Ketchum Arts and Sciences and Ramaley Biology classes started again. However, the Norlin Library will remain closed until Friday. If the civil servants were with someone else, they would allow students to take back their belongings.
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A school shoot at nearby Jefferson County is just a few days before this event leaves many people on the sidelines.
FAQ
Which buildings were evacuated?
Ketchum Art and Sciences, Ramaley biology and Norlin Library were released.
Will the Norlin Library be reopened?
The Norlin Library will remain closed on Friday, but students can get their belongings back with police escort