Police in Central California say two family dogs killed a three-day-old baby after her mother left her unattended on a sofa for a few seconds.
Fresno Police Sergeant Dan Macias told reporters the girl's mother had left the door open because it was hot and she thought the dogs were tied up in the back yard.
The baby died at a hospital shortly after the attack on Monday.
Mr Macias said the two male dogs, which are believed to be a mix of shar-pei and pitbull, are owned by the 33-year-old woman's brother.
He surrendered the dogs to the Central California Society for Prevention of Cruelty to Animals. SPCA spokesman Walter Salvari said the dogs will be put down.
Mr Macias said police are continuing to investigate and charges have not been ruled out.