Radford University will continue tests of its Emergency Alert System through Wednesday, May 20. Please be advised that these tests will include siren tones as well as the broadcast of recorded safety messages. These tests will be intermittent and some will be audible off campus. Testing will occur intermittently during the hours of 9 a.m. and 6 p.m. The Radford University Office of Emergency Preparedness apologizes for any inconvenience.