Chattanooga Police have cleared the University of Tennessee at Chattanooga after a report of an active shooter locked down college and city government buildings for more than an hour Aug. 21. A 911 call about an active shooter with a rifle on campus came into Hamilton County dispatch at about 12:29 p.m. eastern time.

The lockdown at the University of Tennessee at Chattanooga has been lifted after police say they have found no evidence of a threat on campus.