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HOUSTON -- A young boy was killed Friday evening in a big rig accident on Highway 290.

The accident happened near the Grand Parkway and involved an 18-wheeler and two other vehicles.

The driver of the 18-wheeler admitted to looking down to change the radio, and that s when he rammed into a Kia at full speed.

The boy, between the ages of 8 - 10, was sitting in the bckseat. He was killed. His mother and sister were in the front seat and suffered injuries in the impact.

The impact caused a chain reaction involving two other vehicles. DPS said the Kia that took the initial hit from the 18-wheeler was stopped in traffic, and had no way of escaping what came from behind.

It s a damn mess, said DPS Trooper Richard Standifar. The back seat and the back trunk area is pushed up to back of the driver and passenger seat.

The victim's mother and sister were transported by LifeFlight to the hospital.

Highway 290 could be shut down until Saturday morning.

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