Closings and delays

Thousands evacuated over toxic fumes from derailed train car in Tennessee

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BLOUNT COUNTY, Tenn. — A derailed train car burst into flames early Thursday, unleashing toxic fumes and forcing the evacuation of 5,000 people in Tennessee, authorities said.

Seven deputies were hospitalized after exposure to the fumes in Blount County, said Marian O’Briant, a spokeswoman for the Sheriff’s Office.

The car, which was part of a nearly 60-car train, was carrying acrylonitrile, a chemical compound used to manufacture plastics, said Kristin Seay, a spokeswoman for CSX, which operates the train.