In a text message to community members around 2 p.m., Northwestern warned of an active threat, advising people to run, hide and fight, find shelter and lock and / or lock doors. At the time, Chicago police were searching for at least one suspect who fled after a car robbery on nearby Du Sable Lake Shore Drive. In a tweet, Northwestern University said Chicago police tried to stop traffic near the DuSable LSD and Chicago Avenue around 1:30 p.m., and police were searching for the suspect. Northwestern posted on Twitter in an update around 2:30 p.m. that the active threat was over and there was no longer any need for shelter. The suspect was arrested in the basement of the Ward building, officials said. AlertNU: The active threat on the Chicago campus is over. There is no longer a need for a roof in place. The suspect was arrested in the basement of the cell. The suspect was taken into custody. – Northwestern (@NorthwesternU) May 2, 2022 Additional information was not immediately available. Check back for updates on this growing story.