A yet to be identified driver of a pickup truck was killed today in Fort Worth when his truck was pinned between a UPS truck and what is being described as a large work truck. The exact cause of the trucking accident is unknown at this time. Investigators believe that the work truck was carrying flammable liquids, which resulted in the fire. The other two truck drivers involved in the accident were unharmed. The wreck caused extensive delays for Fort Worth commuters. Click on the video below for additional information about this trucking accident.