JOHANNESBURG, South Africa (CNN) -- A South African university said Tuesday it will close the dormitory where white students tricked black workers into tasting stew laced with urine, an incident that sparked protests when revealed earlier this year.

The decision by the executive board of the University of the Free State to close the Reitz Residence was unanimous, the school's acting administrator, Teuns Verschoor, said in a written statement.

"The Reitz video reopened racial wounds, and is deeply regretted. It was an isolated manifestation of resistance to the impact of ongoing transformation initiatives at the university," Verschoor said.

"The video and other acts of public violence and vandalism on the campus have undermined the efforts of the university to foster diversity in student and staff life and create an inclusive institutional culture on the campus," the statement said.