Investigators searching for what caused Tuesday's deadly UPS plane crash in Louisville , Kentucky, will be reviewing dramatic video footage from the scene. The footage appears to show the area of the left wing where one the plane's engines would be located on fire as the McDonnell Douglas MD-11 raced down the runway toward disaster. Officials said at least nine people were killed in the crash and the death toll was expected to rise. Moments later, as the plane with three crew members on board