A train collided with an 18-wheeler carrying a full load of cars after it got stuck on tracks in Schertz, Texas on Sunday. No one was injured in the crash. | CBS News

Footage of the deadly UPS plane crash in Louisville, Kentucky, shows the area of the left wing, where one of the plane’s engines would be located, on fire as the plane raced down the runway. Moments later, as the plane with three crew members on board seems to try to take off, some flames appear to shoot from the engine located in the tail of the plane. Here are some of the videos investigators are analyzing to uncover what led to the crash that left at least 12 people dead, and the details we k