Hazardous Cloud Spanning News Today

Georgia, a chemical used to make plastics. >> it is a flammable liquid. the derailment was a single tank car that contained about 24,000 gallons. >> reporter: the chemical burning, creating a hazardous cloud spanning at least two miles. firefighters working through the night to get people to safety. >> i just wanted to get my kids out. thats it. i was worried about them. i dont want them to get sick or anything. >> reporter: and those people wont be allowed back into their homes until tomorrow a...