News | Administration

Columbia reinstates mandatory CUID swipe access for Morningside campus buildings, deploys ‘additional security measures’ following Brown University and Sydney shootings

Emails on Saturday and Sunday from the Office of Public Affairs emphasized that these measures, which included “additional building checks,” were being instituted “out of an abundance of caution.”

By Jackson Dilks / Staff Photographer

Two students were killed, with initial gunshots fired shortly after 4 p.m. at Brown’s Barus and Holley engineering building.

By Joseph Zuloaga and Dora Gao • December 14, 2025 at 3:05 AM

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