Authorities searching for the body of a missing 4-year-old Oklahoma girl have found the remains of a child, but have not yet identified them as Athena Brownfield, who authorities say was beaten to death Christmas night, the Oklahoma State Bureau of Investigation said Tuesday.

"The remains will be transported to the Medical Examiner's Office in Oklahoma City for positive identification," according to an OSBI statement. "This is a active homicide investigation and until the remains are positively identified, the OSBI will not be commenting further."

An OSBI spokesperson has not returned messages...