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TORONTO – Police are investigating the death of a 17-month-old toddler in Pecos, Texas after the child’s mother says she accidentally forgot the child inside a hot car.

21-year-old Annabelle Millan told police she forgot her son, 17-month-old Avrian Villalobos, inside her vehicle at the end of a busy commute Tuesday afternoon.

told News West 9 in Midland, Texas. “She did give an admission to investigators [Tuesday] that she did leave a child in the vehicle for approximately an hour,” Pecos Police Department Chief Clay D. McKinneyin Midland, Texas.

According to Pecos Police, the woman was travelling with her husband and three children, including Avrian, to drop her husband off at work.

She says that once she returned home, she and the two older children went inside the home and forgot Avrian inside the car.

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An hour later, she realized her mistake and found Avrian inside the car, unresponsive. She drove him to a local hospital where he was pronounced dead.

Chief McKinney says that when officers tested the temperature inside the vehicle, it came in at around 200 degrees Fahrenheit – or 93 degrees Celsius.

An autopsy has been ordered, and Child Protective Services has taken custody of her other two children.

The National Weather Service says it hit 101 degrees Fahrenheit Tuesday afternoon in Pecos, 200 miles east of El Paso.

-With files from the Associated Press