A tragic incident occurred in Phoenix, resulting in the death of a young child. The child, identified as Marcelino Valdez, was found unresponsive in a vehicle by a parent. The circumstances surrounding the child's death are still being investigated by authorities.

It is not clear how long the child was left in the vehicle. Further details about the incident can be found through local news sources, including the investigation's findings and the determination of the child's cause of death by the medical examiner's office.