derailed into a river. john terrett joins us with more. i've rarely seen a fireball like that one. >> i think you are absolutely right. this is a benefit of having cameras everywhere. look at the pictures coming in from west virginia. this derailment led to an incredible fireball. 14 tanker cars burst into flames. the flames jumped over at least one home nearby destroying it but luckily no one was inside at the time. the governor of west virginia declared a state of emergency in canawa and fay et counties near the town of booma. >> is that coming over here? >> reporter: a massive explosion engulfs the sky. on the tracks below, the remains of an oil tanker after a train derailed this afternoon. the inferno forced the