building industrial gases. natural gas, some type of gas built up inside this building. when the individuals came in to start their workday that gas found a source of eug notion and you can see we ve had a catastrophic collapse literally blowing out into the street and literally sending at least two of the three underneath cars that were just wedged between the axles. the firefighters were able to quickly get a knock down on the fire which was accomplished by the firefighters here in fire station 23, 66. over 120 firefighters on scene here. now we are inside. i am watching a bought full labrador coming up the street with its k-9 apbd hrer and it will do a search inside. these are the same dogs we used in the world trade center, katrina we have a lot of work ahead of us this morning.