CBS News video: Explosive semi-truck accident caught on dash camera – A passing truck driver captured this dramatic video of semi-truck s explosive crash on I-74 in Decatur County, Indiana. Police say the truck driver swerved off the interstate to avoid a car drifting into his lane. Then the truck went up a hill and through a guardrail, which caused it to become airborne. The driver and his seven-year-old son survived with minor injuries.
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