#JUSTIN: Video of a train derailment at the @UnionPacific rail yard in Dupo, Ill. This happened around 12:30 p.m. No word on any injuries or what the train was carrying.
@UnionPacific From @UnionPacific: Train was being built for departure at the time of the derailment, which caused a tank car to catch fire. Initial information indicates that the tank car contains a flammable liquid called methyl isobutyl ketone. It is typically used as a solvent.