Updated

A dormitory has been evacuated at Arkansas State University because of a bomb threat.

University spokeswoman Gina Bowman says someone made a bomb threat Tuesday afternoon targeting the University Hall dorm.

Bowman says authorities are still searching the dorm and students hadn't been allowed to return as of shortly after 5 p.m. It wasn't immediately clear how many students were evacuated, but the school website says the dorm accommodates 300 female students.

The university says officers made an arrest, but details haven't been released.

Bowman says school officials don't believe the threat is related to bomb threats that sparked campus-wide evacuations Monday at Louisiana State University and Friday at the University of Texas in Austin and the University of North Dakota in Fargo.

No explosives were found on the campuses.