all. i'm t.j. holmes. >> i'm reena ninan. we are getting our first look at the hero train engineer who helped to save passengers in the fiery commuter crash north of new york city. >> he is being treated for smoke inhalation and trauma. observers say he did everything he could to avoid hitting the suv on the tracks. elizabeth hur has the latest from the crash scene. >> reporter: t.j. and reena, at daybreak investigators will be here to resume their work and while they believe it was a terrible accident, they want to know why this happened so it does not happen again. day one in the search for answers, ending with crews lifting and removing the wreckage off the tracks. these charred and mangled pieces of metal, the remnants of a fiery crash that killed six people just north of new york city. >> report of an explosion on the tracks. >> reporter: the commuter train had 700 passengers on board,