A kindergarten student was fatally struck by a school bus carrying other students Thursday morning in Waukesha County, Wisconsin, according to officials.

Damage from the blast was mostly limited to the interior of the truck because the explosion “vented out and up” and didn’t hit the Trump hotel doors just a few feet away, the sheriff said. “This was far beyond a delay,

The student who was struck was at the school to transfer to a shuttle bus to be taken to Willow Springs Learning Center. The department is investigating the cause of the accident and said the bus driver is "cooperating fully,