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A driver hit and seriously injured a young East Tennessee student and his grandmother Thursday morning.

The accident happened in Unicoi County. Authorities say a bus stopped with flashing lights and its stop arm out.

A six-year-old boy and his grandmother tried to cross in front of the bus. That's when a vehicle went by the bus and hit them.

The child suffered a skull fracture and broken leg. Doctors say he is in serious condition and is battling a blood cot. The grandmother had a leg injury and broken legs.

The driver told authorities she did not see the red lights, only yellow ones. She is facing charges for reckless aggravated assault.

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