The first alert from FSU's account on X, formerly Twitter, about the active shooter call was posted at 12:02 p.m. ET. The training site was roughly three miles from the school.

Police have responded to an active shooter call at the Student Union. Stay alert for more information. Persons in need of immediate emergency assistance should call 911 or FSUPD at 850-644-1234." ...

Continue to shelter in place. 2:30 p.m.: FSU's alert system hasn't posted anything new since 1:04 p.m.It continues to tell everyone to shelter in place. Police clearing rooms on main campus. Here ...