1.  The managing director of Connex, Olivier Brousse, said the trailing train apparently was at fault.

2.  The trailing train was headed from Chicago to Richmond, Calif.

3.  The trailing train, which carried no hazardous cargo, was headed from Chicago to Richmond, Calif.

4.  Three locomotives from the trailing train caught fire, and three container cars on the front train derailed but remained upright, Kent said.