>> this is a crime scene. we are not indicating that it is a crime, but we don't know. what that means to us, until we know it was an industrial accident, we will work it as a crime scene. >> the bigger concerns right now, loss of human life. firefighters, as many as five who responded to the fire at the plant before it exploded. still unaccounted for this morning. >> live team coverage, starting with martin savidge, on the ground in the town of west texas. 18 miles away from waco. what is the latest right now? >> the heavy weather is now hitting the area. it's proving to be problematic. high winds gusting through what is the devastation there and torrential rain, could interfere in some ways with the signal. i want to bring in jill jenkins. she is a nurse, one who responded right away, she is also a resident of the community