An evacuation order remains in place after a railcar in Ohio began leaking styrene on Tuesday. While the leak has stopped, roads in the area are also staying closed.
While the leak coming from the train car appeared to be a gas, the National Institute of Environmental Health Sciences says styrene is a colorless, flammable liquid used to make plastics and rubber.
Helene is strengthening as it moves toward the U.S. Gulf Coast. It is expected to become a hurricane today and will hit ...