The University of Oklahoma says authorities have found no evidence of shots being fired on campus and no injuries have been reported.
University spokeswoman Catherine Bishop says in a statement that normal campus operations have resumed except for Gould Hall, where additional checking is continuing Wednesday.
Officials at the University of Oklahoma had reported a shooting on its campus website and advised everyone to shelter in place Wednesday around noon. The school posted a notice on its website that people should avoid Gould Hall.A notice sent by its Twitter account said: "Seek immediate shelter in place."
The university is located in Norman, about 20 miles south of Oklahoma City.
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