Police evacuate CU Boulder’s Norlin Library, nearby buildings amid unconfirmed bomb threat

University of Colorado Boulder Police are investigating an unconfirmed bomb threat on the campus in Boulder.

The Norlin Library, the Ketchum Arts and Sciences building and the Ramaley Biology building have been evacuated, according to a social media post from the University of Colorado Boulder Police Department.

Police said K-9 units are on the scene and have advised people to avoid the area.

The threat came two days after a student shot himself and two other students at Evergreen High School in neighboring Jefferson County.

This is a developing story and may be updated.