31.   Morales entered a tunnel dug into rubble about three stories high with an ultrasound, telescopic camera.

32.   National Transportation Safety Board inspectors waited for the boxcars to be removed so they could enter the tunnel to gather more information for a report on the accident.

33.   Officials said the fire started before the train entered the tunnel.

34.   No other trains were involved, although one shuttle train entered the tunnel from the English end and was forced to turn back, the company said.

35.   On Friday, Morales entered a tunnel dug into rubble about three stories high with an ultrasound telescopic camera.

36.   Scores of firefighters donned oxygen masks to enter the tunnel, where the CSX freight train with eight cars loaded with hazardous chemicals left the tracks.

37.   Recovery teams were working through the night into Monday, entering the tunnel in shifts and emerging with grim news.

38.   Several trucks had earlier entered the tunnel on the Italian side.

39.   Riot police then used tear gas to push back hundreds more who later tried to enter the tunnel.

40.   The fire may have started before the car entered the tunnel, Austrian public security chief Erik Buxbaum said Sunday.