An 18-month-old girl has died after being left in family's car for several hours in sweltering weather , Arizona police have said.
The toddler had been locked inside a white Nissan sedan for at least a few hours at an apartment complex in Glendale on Monday afternoon.
The father then alerted the police after finding his baby unresponsive in the car.
Police are now treating the incident as a possible hot car case after knowing the temperature in the city has reached 88F (31 degrees) on April 22.
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Eyewitnesses Bobby Luppio and Nichole Arias told 12 News that the father appeared 'very inconsolable' and fell out of his car 'crying and screaming'.
The toddler's mother showed up after the police arrived and explained to her what had happened to her daughter.
Arias said the woman "lost it".
Tiffany Ngalula, spokeswoman for Glendale police, told ABC News: "Both parents are cooperating with detectives and they are very upset over losing their child.
"We will not be releasing their names as we are still working with them through this tragedy to determine exactly what occurred."
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No charges have been formally submitted as key portions of the investigations are yet to complete.
The tot's autopsy is scheduled for Tuesday to determine the cause of death, said Ngalula.
Arizona Police urged parents to 'always check twice' for loved ones left inside of a vehicle as they do not have the ability to get out on their own.
Public safety group KidsAndCars.org reported that there were as much as 52 fatalities of child hot car deaths in the US last year.
Amber Rollins, spokesperson for the group, said in a statement on Tuesday: "Hot car deaths continue to take place because nobody believed this could happen to them."
