Emergency workers pull out a woman who was trapped in a building that was destroyed when a tornado ripped through Moore, Okla., on Monday, May 20, 2013. (AP Photo/The Transcript, Kyle Phillips )

Photo by: Kyle Phillips

Emergency workers pull out a woman who was trapped in a building that was destroyed when a tornado ripped through Moore, Okla., on Monday, May 20, 2013. (AP Photo/The Transcript, Kyle Phillips )