HIALEAH, Fla. -

Police responding to a 911 call found human remains inside a burned-out car.

According to investigators, the received a call about a car that was burning in a parking lot at West 22nd Avenue and 80th Street about 3 a.m. Monday.

"It's horrible," said Roy Mastrapa, who works nearby. "Everything's burnt. Car's all burnt."

When firefighters put out the flames, they discovered human remains inside. The incident is considered a homicide.

Investigators brought the car, believed to be a Mercedes-Benz, to the Miami-Dade Medical Examiner's Office. It's unclear how many bodies were inside the car.

"It's a shame," said Mastrapa. "They probably have families and everything."

The crime scene also affected some 500 school children in Hialeah and Miami Lakes early Monday. About a dozen school buses are parked in a nearby lot. Two bus drivers were able to leave but police have shut down the area, forcing other drivers to wait to get access to their buses.