Richland police are investigating a number of cars being tagged with fluorescent pink spray paint in the 2100 block of Turner Street early Sunday.
In addition to 15 cars being vandalized, several signs, sidewalks and a fence also were painted sometime after 2 a.m.
Anyone with information can call Cpl. Hyrum Stohel at 942-7369 or Capt. Jeff Taylor at 942-7363.