FSU students, parents describe fear, confusion during campus shooting: "I'm still shaking"

As the threat of an active shooter sent the Florida State University campus into lockdown Thursday afternoon, panic and confusion spread far beyond school grounds — especially for the students sheltering in place and the parents desperately trying to reach them.

Ava Arenado, an FSU student who was in class when the university alert went out, described a terrifying scene that quickly unfolded around her.

"One of my classmates got an alert on her phone and announced it to the rest of the class," Arenado told CBS News Miami. "My teacher immediately started barricading the door… and then another student said she'd rather go home, so we all just kind of ran to our cars."