medic lisa stewart is at the scene. >> you could hear it just rumbling and shaking the ground, and itunded awful. >> suddenly, the oil tank erupts like a volcano. >> and when it blew, everybody ran. it was chaos. >> people flee, 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 kenstv cameraman. >> i got my arm burned. >> are you okay? >> the heat radiated very intensely. i got second and third-degree burns on my arms. and the only thing i could think of was to grab my camera and cover my face. >> the super heated vapor cloud scorches everyone nearby. >> the fire in the cloud was just like a mushroom cloud, just like one of the atomic explosions you'd see on tv. >> people down there are 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 drinking water on them sore soaking their tee shirrs in ice water, putting them back on there. and then we had to triage and g