A 13-year-old boy was killed and his twin brother seriously injured in a single-vehicle accident on South Entrance Road near Lewis Falls on Tuesday afternoon.
According to park officials, 13-year-old Nathaniel Ullom, of Elizabeth, Colorado, was killed in a rented recreational vehicle accident, while his brother, Phillip Ullom III, was transported on a Air Idaho Rescue helicopter to Eastern Idaho Regional Medical Center in Idaho Falls. The third passenger, Phillip Ullom (father of the twins and driver of the RV), was driven to St. John’s Medical Center in Jackson.
The accident, which occurred around 5;30 p.m., closed down the South Entrance Road while rescue operations ensued. Further details, including the cause of the accident, were not released.