The University of Oklahoma in the city of Norman, United States, confirmed In a series of statements on Twitter, on Saturday, reports of an active shooter on campus. “There is an active shooter at the Van Vleet Oval. Take immediate action now. Run. Hide. Fight!” said the school.

Subsequently, 15 mins or so later in another tweet, they indicated that campus police were investigating “possible shots fired” on the campus. It added, “Avoid South Oval area,” adding that a shelter-in-place was activated and continues to remain in effect. Officials had previously said an active shooter had been reported at the Van Fleet Oval, a street in the centre of the campus.