https://thenextweb.com/socialmedia/2019/08/20/breaking-louisiana-state-university-twitter-warns-of-armed-intruder-tells-students-to-run-hide-or-fight/

The official Twitter account for the Louisiana State University (LSU) today tweeted a warning to students, faculty and staff at approximately 2:54 PM local time (US central) indicating an armed intruder was on campus The tweet advises those on the premises to “Run, Hide, or Fight.”

— LSU (@LSU) August 20, 2019