An early morning fire at a Bronx apartment building has left one child dead and three other people injured. Firefighters responded to the fire at the six-story building at 2076 Bronx Park East around 3:13 a.m and had the fire on the first floor under control shortly before 4 a.m. Five-year-old Sarah Felix was pronounced dead on arrival and three others were taken to Jacobi Medical Center. Fire officials said they are investigating the cause of the fire.