A 2-year-old girl fell down a flight of stairs and was seriously injured, police reported. In a news release Monday, Chief Mark Stinson said the child fell down an estimated seven steps at a Cottage Court home on Friday afternoon. When a police officer arrived, the child was unconscious and not breathing. The officer performed CPR and revived the child, who was taken to Sonora Regional Medical Center and flown to the University of California Medical Center in Sacramento. She was in critical condition with major head trauma, police said. Her name was not released.