NE : The investigators are focusing on a fractured rail . NEW : ` ` It is substantial damage to us , '' an NTSB official says . One train will then hit a train going the other way , they say . Bridgeport Mayor Bill Finch said Friday that travel headaches could persist for weeks because the two tracks affected by the derailment -- which are both `` shot right now '' -- may take weeks to repair . They say they have treated 70 people .
NE : The investigators are focusing on a fractured rail . NEW : ` ` It is substantial damage to us , '' an NTSB official says . One train will then hit a train going the other way , they say . They say they have treated 70 people .