Oklahoma tornadoes: Two upgraded from EF-3 to EF-4 - Article Photos 12/27

Walgreens volunteers Michelle Cue, Tracey Sonka and Debbie Eastland, from left, work to clean up debris and damage on Wednesday, May 12, 2010, in Oklahoma City, Okla. left behind by the tornados that hit central oklahoma on Monday. Photo by Chris Landsberger, The Oklahoman