Detailed text transcripts for TV channel - CNN - 20171218:18:58:00
And so if it is not a speed issue then one would have to go back and once again consider is there something wrong with the track? because something sent this very heavy engine flying at a high rate of spate so that so it would turn around and now there are two engine, one in the front and one on the rear. >> the national transportation safety board is dispatching a team to begin this investigation which could continue for a long time. all right, guys. we are going to continue our special coverage. stay with us right here on cnn. we'll take a quick break. we'll resume the breaking news coverage...