An aerial photo of West, Texas, shows the remains of a nursing home (from left), apartment complex and fertilizer plant destroyed in an explosion at the plant Wednesday. Tony Gutierrez/AP hide caption

itoggle caption Tony Gutierrez/AP

The remains of a fertilizer plant burn after an explosion at the plant in the town of West, Texas. Mike Stone/Reuters /Landov hide caption

itoggle caption Mike Stone/Reuters /Landov