CNN EarlyStart December 2, 2013 10:32:00
Morning. the ntsb investigators have recovered on so-called event recorders from a metro north commute train. that may help determine the cause of the deadly derailment in new york city. four passengers were killed. 67 others were injured when that train jumped the tracks just outside of a station in the bronx. this morning, metro north is beginning the process of getting those train cars upright. cnn's alexander field is live for us at the accident scene in the bronx. what can you tell us? >> reporter: the cranes are in place and crews are in place. they had to wait for the okay from the nt...