A school bus carrying special-needs students collided with two dump trucks in rural northern Indiana on Friday and killed four of the five people aboard, police said.

School officials confirmed that the four people killed were children.

"The victims are everywhere," said Cass County Coroner Gene Powlen.

The Twin Lakes School Corp. said the bus was taking the children home from classes when it crashed Friday.

A dump truck had tried to slow for a turning vehicle but was unable to stop and swerved into the oncoming lane, clipping the school bus, the Pharos-Tribune reported. The bus flipped and slid into oncoming traffic, where another truck struck the roof and pushed the bus into a ditch.

Television video from the crash scene showed the bus upright, its roof crushed.

First Sgt. Dave Bursten of the Indiana State Police says the crash occurred at the intersection of two U.S. highways. The driver was the only survivor on the bus and was flown to a hospital in Indianapolis, 70 miles to the south.

The collision comes just days after police said a tractor-trailer driver on his cell phone hit a school bus in Florida, killing a 13-year-old girl.