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Fox News Weather Center

Chemical Cleanup From Train Derailment in Tennessee May be Hampered by Storms

About 5,000 people were ordered to evacuate their homes early Thursday morning after a train carrying chemicals partially derailed south of Knoxville, Tennessee. Showers and storms may complicate cleanup operations.

The incident occurred near Maryville, Tennessee, ABC News reported on its website.

The chemicals include liquefied petroleum gas and acrylonitrile, a CSX spokeswoman told ABC News.

Acrylonitrile may produce toxic and flammable gases when it reacts with water, according to the U.S. Department of Transportation's Hazardous Materials Emergency Response Guide.

Showers and thunderstorms are in the forecast Thursday morning into the afternoon, which may hamper cleanup efforts, AccuWeather Meteorologist Courtney Spamer said.