COLUMBIA, Mo. (AP) – University of Missouri police are investigating a report of vandalism at the Columbia campus’ black culture center.

Police say someone spray-painted over a portion of a sign early Thursday at the center. Police were reviewing video surveillance from the area. University Police Chief Doug Schwandt says the Missouri State Highway Patrol is assisting in the investigation.

Tensions remain high after weeks of racial unrest that led to the resignations on Monday of the university system president and the Columbia campus chancellor.