The Oklahoma Medical Examiner's Office has released the name of the man killed in Wednesday's tornado in Sand Springs at the River Oaks Mobile Home Park. Officials say 41-year-old Arian Christopher Lakey lost his life in what has been determined to be an EF2 tornado. That tornado hit the trailer park Wednesday afternoon, damaging or destroying between 50 and 60 of the homes in the park. Governor Mary Fallin visited the site on Thursday and has declared 25 Oklahoma counties as disaster areas.