(CNN) A Utah mother says it wasn't an accident when a bus driver closed a door on her mixed-race teenage son's backpack and then began driving away, dragging him more than 100 feet.

Brenda Mayes, who appeared on "New Day" on Monday with her attorney Bob Sykes, said racism was involved.

Mayes, who filed civil rights lawsuit over the incident, cited another example in October. The driver shut a neighbor and her younger son in the bus door. Both are biracial.

"My younger son and the neighbor that it had happened to, they were both afraid to ride the bus. They haven't been riding the bus from October until February because they were afraid of the bus driver," she said.

Mayes said complaints and a police report were filed. The school district and the transportation director were contacted but she said those entities didn't do anything.

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