Pittsburg ? A man angry his toddler daughter wouldn’t go to bed knocked her unconscious and left her to die outside in single-digit temperatures, police said.

The frozen body of Nyia Miangel Page, who was about to turn 2, was found Sunday at an abandoned playground about a 10-minute walk from the family’s home. Tiny footprints in the snow suggest she had gotten up and wandered around before she died, police said.

Her father, William Lorenzo Page, 23, of Braddock, was arrested Wednesday on charges of criminal homicide, kidnapping, false reports and simple assault. He has been in custody since Sunday, when he was charged with sexually abusing another child shortly before Nyia died.

Page told police he woke up early Saturday and found the girl awake and playing in the hallway. He said he got mad when the girl wouldn’t go back to bed so he hit her so hard she hit her head and was unconscious.

Police said Page told them he took the girl outside wrapped in a blanket and left her, still breathing, beside railroad tracks near a bridge.