Workers walk among debris Thursday, April 18, 2013, a day after an explosion at a fertilizer plant in West, Texas. The massive explosion at the West Fertilizer Co. Wednesday night killed as many as 15... more 
Workers walk among debris Thursday, April 18, 2013, a day after an explosion at a fertilizer plant in West, Texas. The massive explosion at the West Fertilizer Co. Wednesday night killed as many as 15 people and injured more than 160. (AP Photo/Charlie Riedel) less 
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Associated Press | Photo By Charlie Riedel
Fri, Apr 19, 2013 4:54 AM EDT