An Indiana woman and her granddaughter were found dead inside a Huntingburg home on Monday, police said.
Investigators believe 53-year-old Olivia Regalado died from a medical emergency related to a preexisting health condition, leaving 4-year-old Evelynn Lopez unattended with seven dogs.
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For unknown reasons, the six pit bulls and one poodle-mix attacked the girl. She succumbed to her injuries at a local hospital.
All seven dogs were sedated and euthanized. No criminal charges were filed in connection with the incident.