Northern Arizona University officials issued an "all clear" Monday morning after police determined a report of a person with a gun in Cline Library was a hoax.
Officials called the incident a "hoax" in a statement and added the FBI is assisting in an investigation into the false report.
The first alert released shortly before 9:30 a.m. said NAU Police Department was in the process of evacuating Cline Library on North Campus and searching the building.
Authorities added at the time that the incident may be a hoax, but were still taking precautions.
Freshman Kyle Jones was among those evacuated.
“I've seen a lot of stuff like this back in my high school days and now I'm like, I didn't expect something like this in college," Jones said. "I'm like, this is just not something that a college student, or a new person, should experience ever. So I’m just afraid to go to class, the rest of my classes, I'm afraid.”
Another update sent around 10:30 a.m. said that law enforcement cleared the main areas of the building and found no evidence of a person with a gun.
Cline Library reopened around 11:30 a.m. with all campus operations back to normal.
Monday was NAU's first day of the fall semester.
This is a developing story and more information will be added as it becomes available.