p.m. eastern time. jon, let s get over to that breaking news. jon: we have new information, jenna, on that los angeles building explosion and partial collapse. trace gallagher from our west point west coast bureau is there. trace, what do you know? reporter: look at the pictures, john, this is amazing. we ve been watching this for the better part of the last 30 or 35 minutes. you can see the wreckage is falling down. we know this explosion happened in a welding operation about an hour and 35 minutes ago. 100 firefighters are now on the scene. the people on scene said the explosion was so powerful that it hurled people out of the building, and when firefighters arrived, there was one man who was actually wedged beneath the axle of a car. the big concern now as you look at the wreck an kind of wreckage kind of falling down, people may still be trapped inned there. but because of that wreckage and how unsecure it is, firefighters