By Shelley Kofler, KERA News
http://stream.publicbroadcasting.net/production/mp3/kera/local-kera-611229.mp3
Dallas, TX – Lt. Joel Lavender, of the Dallas Fire Department, talks to KERA's Shelley Kofler about the origins of the fire and explosions at Southwest Industrial Gases near downtown. The emergency Wednesday tied up traffic, prompted evacuation and caused many to question whether industrial businesses should be located in the heart of the city.