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Gov. Rick Perry, center, speaks during a news conference updating information about the state's emergency response to the explosion and fires in West, Texas, Thursday, April 18, 2013, in Austin, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
(AP Photo/ Eric Gay)