The contact's son owned a 2008 Ford Escape. The contact stated that while her son was driving at approximately 60 - 65 MPH, another vehicle rear-ended his vehicle in a hit-and-run collision. The driver's side front seat fractured and detached, hitting the contact's grandson's face. The airbags were not deployed upon impact. The contact's son sustained head injuries, and her grandson suffered facial fractures and a broken jaw. Medical attention was received. A police report was filed. The vehicle was towed to a tow yard and deemed totaled by the insurance company. The manufacturer was not made aware of the failure. The failure mileage was approximately 170,000. The VIN was unavailable.