CORRECTS MONTH TO MAY This frame grab provided by KWTV shows a tornado in Oklahoma City Monday, May 20, 2013. Television footage shows flattened buildings and fires after a mile-wide tornado moved ... more 
CORRECTS MONTH TO MAY This frame grab provided by KWTV shows a tornado in Oklahoma City Monday, May 20, 2013. Television footage shows flattened buildings and fires after a mile-wide tornado moved through the Oklahoma City area. (AP Photo/Courtesy KWTV) less 
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Associated Press | Photo By Courtesy KWTV
Mon, May 20, 2013 6:08 PM EDT