Officials survey the scene just east of the Route M overpass where several train cars derailed on the Burlington Northern Santa Fe train near Rockview, Mo. on Saturday, May 25, 2013. The National ... more 
Officials survey the scene just east of the Route M overpass where several train cars derailed on the Burlington Northern Santa Fe train near Rockview, Mo. on Saturday, May 25, 2013. The National Transportation Safety Board has launched an investigation into the cause of a cargo train collision that partially collapsed a highway overpass in southeast Missouri, injuring seven people. (AP Photo/Southeast Missourian, Fred Lynch) less 
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Associated Press | Photo By Southeast Missourian, Fred Lynch
Sat, May 25, 2013 5:24 PM EDT