Transcript for 7-year-old boy said to suffer a concussion after being dragged off school bus
We head to Memphis authorities are investigating a 7-year-old ded from a Hool by his feet.y's family said he was injured. For answers. Heachary kiesc Reportedisturbing moments caught on camera. Gour hands F me! T your Han off me! You're off. No! Reporter: Watch this 7-year-old boy yd off a school ba teacher in Tennessee. Get your hands off me! Reporter: That's a grown man grabbing thetle boy byis arm, tpicking hiup by his ankle and agging himown the aisle as he kicks and screams R his mom. Mom! Reporter: The teacher was portedly bakup a fight one of those onlookers was fifth grader zamarian pointer, the youngsteo pulled out his phone to capture it. He was wrong and he ain't used to Dr him like at espectadores Reporter: Boy's mom completeisbelief. I feel bad, 'causdiapturaro believe myldsupuesto arstr Reporter: Robert church elementary in Memphis getting for how the incident handled. Whatevewaing on, it didn't justify him beinggged off the bus. Reporter: School official tell us there's an investion underway, but sithat innt ago, the teacher has resigned. Tom, the boys' mom sayr son was hurt iat teacher intervention, he hit his head and got concussion. Zachary kiesch with that gr
This transcript has been automatically generated and may not be 100% accurate.