First responders traveled to the site using snowmobiles and found two people inside the helicopter, authorities said. One was dead, and the other was taken to a hospital.

BOISE, Idaho — One person died, and another was injured when a helicopter crashed onto the ice at Ririe Reservoir Thursday afternoon, approximately 25 miles east of Idaho Falls. KTVB confirmed with the Bonneville County Coroner Shante Sanchez that the man who died is 59-year-old Bradford Brown from Alpine, Utah.