The boy was transported in a van to the Serese Enrichment and Empowerment Academy on Monday, said County Sheriff's spokeswoman Kayla Concepcion. what happened between then and the time he was found dead in the van.
The Sheriff's Office and the Oakland Park Fire and Rescue Rescue crews were called about 3:20 p.m., according to CNN Assistant WSVN. According to temperatures in the low 90s, authorities said heat could be the cause of death, according to the affiliate.
The sheriff's office interviewed officers and investigated the incident, Concepcion said, adding that it was too early to say whether any charges would be filed.
If heat is confirmed as the cause of death, it will be the 24th time a child has died in a hot vehicle in the United States this year, according to NoHeatStroke.org and the Kids and Cars Safety Organization, and the seventh  1-year-old twins died Friday in New York after being left at eight o'clock. The children's father has been charged with two counts of murder and two counts of criminal negligent homicide.