The scene of a massive explosion at a fertilizer plant in the town of West, near Waco, Texas, April 18, 2013. Rescuers worked in cold rain to find survivors amid the rubble of houses destroyed in the fiery explosion at the plant filled with hazardous chemical tanks. The death toll in West, Texas ranged from five to 15 people and was likely to change as rescuers went from house to house along the burned-out streets after the West Fertilizer Co. blew up, said Sgt. William Patrick Swanton of the police department in nearby Waco. [Photo/Agencies]