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Three train cars derailed Monday night near Antelope and Antelope North Road.

Emergency crews originally reported seven cars had derailed, but Union Pacific later said only three had gone off the tracks.

No roads were closed.

According to Union Pacific, one car on its side had toluene diisocyanate, a hazardous chemical. Metro Fire says that tanker was not leaking.

Keep checking back with FOX40 for the latest updates.