Photo from Tulsa SchoolsTulsa's Nathan Hale High School goes under lockdown after the reported threat of an armed person on campus.
The school got an anonymous phone call Tuesday afternoon that someone had a gun on school grounds. Officials activated a lock down while Tulsa Police officers searched the building.
No one was found with a gun, nor were there any weapons found.
The lockdown was lifted after a short time and classes returned to their normal schedule.
