Pinal County Sheriff’s Office is investigating the death of 3-year-old girl who lived on North Ralston Road.

According PCSO spokesman Mark Clark, a 911 call was received Thursday at 6:20 a.m. from a woman reporting the child in medical distress. She said she was driving the girl to the hospital.

Deputies and paramedics met the driver near the corner of Amarillo Valley Road and Century Road, where she had pulled to the side of the road at the dispatcher’s request. The driver was described as a caregiver to the child.

The girls was in “full code” when paramedics arrived. They began life-saving measures, and the child was taken by ambulance to the hospital but could not be revived. She died in the emergency room, according to Clark.

The cause of death has not been released.

The girl lived with her natural mother and two other adult females at a home on North Ralston Road near Maricopa. Three other children living at the home have been removed by the Department of Child Safety, Clark said.