City police said they are investigating the death of a 20-month-old girl as a homicide. Officers were called to the 2800 block of Kentucky Ave. in Northeast Baltimore about 2:30 p.m. Saturday for a report of an infant who was not breathing, said spokesman Donny Moses. When medics arrived, the father was attempting to perform CPR on the child, identified as Janaya Wallace. Janaya was pronounced dead at Johns Hopkins Hospital about 3 p.m. Detectives noticed scrapes on her neck, and bruising on her forehead and cheek, Moses said. An autopsy determined she was beaten to death. According to a preliminary investigation, the girl's parents said they put her to sleep on a sofa late Friday and reported that they "heard the baby snoring" throughout the night and morning. At 2:15 p.m., they went to wake the baby and noticed her lips were blue and she was not breathing. Moses said the investigation is continuing.