The girl’s mother thought she put the car in park just east of GCA before she headed into the school, said Jeff Brandau, Tonganoxie police chief.

The 13-year-old and an infant sibling stayed in the vehicle, which started to roll backward. The girl attempted to get the vehicle stopped but fell under it in the process and the car drove over both her legs, Brandau said. The car came to rest at the parking lot’s east edge.

Leavenworth County Emergency Medical Services took her to Children’s Mercy Hospital for treatment of the girl’s injured legs, Brandau said.

The accident occurred just before 3 p.m. at the school, 204 Washington in Tonganoxie.