A family was target shooting in the Arizona desert. An 8-year-old was practicing on a .22-caliber rifle. While she was shooting her 4-year-old sister darted in front of her. The 8-year-old pulled the trigger and shot her sister in the head. The 4-year-old was airlifted to a hospital in Phoenix where she was pronounced dead.
The area of the shooting is popular with target shooters.