South Dakota’s attorney general, Jason Ravnsborg, was involved in a car crash that left one person dead on Saturday night, Gov. Kristi Noem said on Sunday evening, adding that the authorities were investigating the crash. “Last night at about 10:30 p.m. in Hyde County, the attorney general was involved in a crash while driving on U.S. Highway 14 just west of Highmore,” Ms. Noem said in a brief news conference. “There was a fatality, and law enforcement is working on identifying the deceased and notifying the family.”