This is a breaking news story. Check back for updates.
UPDATE 1:39 p.m. EST: The University of Oklahoma is now saying that there is no evidence that shots were fired on campus. The school said "normal campus operations" have continued except for Gould Hall, where authorities continue to search for evidence of a gunman or a shooting.
UPDATE 12:52 p.m. EST: According to breaking news Twitter account @PzFeed, two shots were fired during the shooting at the University of Oklahoma. Police are evacuating the campus and telling students to stay indoors and avoid windows.
A shooting was reported Wednesday at the University of Oklahoma, the school's Twitter account posted:
Shooting on campus. Avoid Gould Hall. Seek immediate shelter in place.
â€” OU Sooners (@UofOklahoma) January 22, 2014