OSU student and Kappa Alpha Order fraternity member Daniel Luke Morgan, 20, was injured and taken to a local hospital, and passenger, Savannah Marie Piatt, 18, of Phoenix, also an OSU student and Alpha Omicron Pi sorority member, was killed at the site of a single-vehicle rollover accident on County Road 175 near Deer Ridge, Oklahoma. Driver Morgan is allegedly being investigated for driving under the influence, and the investigation is ongoing.