Boy dies after staying in a daycare bus for more than three hours as temperatures rise

(CNN) – A 3 year old boy- A boy was found dead in a bus outside his daycare in northwestern Houston after being left inside after an excursion, outdoor temperatures reaching almost 100 degrees

. "who were taken by bus Thursday to a nearby park for an excursion earlier in the day, said the Harris County Sheriff's Office.

Houston police said at a conference of Friday that the children had been loaded into the van around 10 am and had gone to Doss Park.The group returned to the daycare between 2 pm and 2:30 pm

School records show that The 3-year-old was on a student list, the sheriff's office said, only when the boy's father came to pick him up at 6:30 pm that officials found out that the boy was still on the bus.

He was found unconscious, and the temperature inside the bus was 113 degrees, said the sheriff's office

The investigators believe that the l? child was left in the bus for at least three hours and a half The boy was taken to hospital and declared dead at 19:45.

Police investigate the actions of both guards and the institution as part of their investigation, police said at Friday's press conference. CNN has reached out to the academy to comment.

MPs interview the bus driver and a chaperone who was on the ground, and both are expected to cooperate with the investigation.

"It's just tragic," said Constable Alan Rosen.

He also urged parents and caregivers to always look in and around their vehicles before leaving.

"Do something that always reminds you that you have a love pack on the backseat of this car"

In the United States, hot car deaths are a constant problem. An average of 37 children die each year from being left in hot cars, according to the Kids and Cars Safety Organization.

According to NoHeatStroke.org, Texas has had the highest number of deaths between 1998 and 2015, and July is usually the deadliest month.