medic lisa stewart is at the scene. >> you could hear it just rumbling and shaking the ground and itl. >> suddenly, the oil tank erupts like a volcano. >> and when it blew, everybody ran. it was chaos. >> people fleed and a water truck tries to speed away. >> it was hot. people were running and scattering. >> the flames grow bigger and bigger as everyone runs for their life, including kens tv cameraman david villareal. >> i got my -- >> you okay? >> yeah. >> the heat radiated very intensely. i got second and third degree burns on my arms and the only thing i can think of was to grab my camera and cover my face. >> the super-heated vapor cloud scorches everyone nearby. >> the fire and the cloud was just like a mushroom cloud, just like one of the atomic explosions you would see on tv. >> people down there going to be burnt bad. >> lisa helps treat several badly burned firefighters. >> i remember we started taking off people's shirts and just pouring some of the water, the drinking water, on them or soaking their t-shirts in ice water, putting them back on there. >> give me that glass