TUCSON, AZ (AP) -
Police on the University of Arizona campus in Tucson say they've arrested a knife-wielding man at the school's main library.
The Arizona Daily Star says campus police received calls just before 12:30 p.m. Wednesday about a man with knife on the third floor of the library.
Responding officers quickly subdued the man and there were no reported injuries.
Police say the man wasn't a student at the university. His name hasn't been released.
UofA police say they're still investigating why the man was in the library with a knife.
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