Two males with weapons reported near the Student Union. Lockdown immediately until further notice.— Arkansas State (@ArkansasState) February 14, 2016
Report: The possible three males all wearing black were last seen walking north near Dean St.— Arkansas State (@ArkansasState) February 14, 2016
At least one student tweeted about the incident as it happened:
JUST HAD TO SPRINT FROM THE UNION!! THERE ARE PEOPLE WITH GUNS AGAIN SO EVERYONE BE SAFE!!!!!— Han (@HannahRose30) February 14, 2016
The university tweeted that the lockdown had been lifted on Sunday afternoon; we will update this post when more information becomes available.
The campus lockdown has been lifted. A-State will resume normal operations.— Arkansas State (@ArkansasState) February 14, 2016
Update - KAIT News reports that the incident was actually triggered by a group of students who were filming a video that involved costumed students playing gunmen. From a statement released by the university:
Apparently students were filming a video project near the Union, and costumed actors were reported as possible campus intruders. These students have been located and interviewed by University Police Officers. As a result, it has been confirmed that there was no gunman.