On Tuesday morning, rangers responded to a mule accident on the Bright Angel Trail that involved at 66-year-old woman from California. Park dispatch received a radio call from a mule wrangler reporting that a mule had lost it’s footing, fallen, then rolled over the woman. The accident occurred about two-and-a-half miles below the rim. The mule and its passenger were part of two concessioner mule strings who were en route to Phantom Ranch for an overnight stay. Two park paramedics were flown to the accident scene and stabilized the woman before extricating her using a short-haul operation. She was flown to the helibase on the South Rim, then to Flagstaff Medical Center. About a dozen people from the park were involved in the rescue operation. They were assisted by Xanterra mule wranglers and visitors on the trail. During helicopter operations, the Bright Angel Trail was closed for approximately an hour. An investigation into the cause of the accident will be completed by the National Park Service.