CBS Evening News | Flames could be seen for miles from a huge explosion at a bio-diesel plant in Jackson, Miss. Nobody was hurt in the blast, and firefighters let the fire burn itself out, saying it was too dangerous to go inside

Flames could be seen for miles from a huge explosion at a bio-diesel plant in Jackson, Miss. Nobody was hurt in the blast, and firefighters let the fire burn itself out, saying it was too dangerous to go inside. Scott Pelley reports. Air Date: Jan 22, 2014