There was a shooting scare at the University of Oklahoma on Wednesday, but the university has now said that there was no evidence of a shooting. Classes have resumed after being shut down for a short time.

The school tweeted that there had been a shooting and advised students and faculty to avoid Gould Hall. “Seek immediate shelter in place,” the school said. However, the lockdown was lifted moments later.

“Normal campus operations have resumed except for Gould Hall where additional checking is continuing. No new information at this time,” the school said in a tweet.

According to ABC News, President David L. Boren told the media that the school was put under lockdown at 12:30 p.m. because people thought they heard gunshots near Gould Hall. That building was later searched, but police and a SWAT team found no bullet casings or anyone who could have been the shooter. There were also no witness reports of seeing a shooter.

“We have found at this time no evidence that shots were fired,” Boren said during the press conference, reports The Oklahoma Daily.

“We can never take these kind of reports lightly. The faculty member did exactly the right thing, they informed police immediately, that's exactly what should be done," Boren said, notes ABC News. "Our system worked. We are just thankful that no one was injured at all."

The school just tweeted that classes at Gould Hall can resume and that university operations will continue as normal.

The report came a day after a shooting at Purdue, during which one student died.

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