'No credible threat': Authorities say report of active shooter on ISU campus is false

AMES, Iowa —

Authorities are investigating what they say is a false report of an active shooter on the Iowa State University campus in Ames.

Students returned to classes at ISU on Monday — as well as the state's other regent universities, the University of Iowa in Iowa City and the University of Northern Iowa in Cedar Falls.

In a news release, the Iowa State University Police Department said it may have been an example of "swatting":

"Officers responded promptly this morning after receiving several calls and found no credible threat. The safety of our students and staff is our top priority. We will continue to monitor the situation and take all threats seriously. The calls appear to be similar to several anonymous and false 'swatting calls' at universities across the country, triggerin