Oklahoma City mayor says 12,000 to 13,000 homes damaged or destroyed by May 20 tornado - Article Photos 156/565

Alana Palmer, left, Marlo Robertson, and Kellie Wostal, with the ADT company, prepare free hot dogs for residents and workers on the north perimeter of the tornado devastated part of Moore, OK, Thursday, May 23, 2013, Photo by Paul Hellstern, The Oklahoman