Article Photos: Oklahoma tornadoes: Two upgraded from EF-3 to EF-4 8/27

Walgreens volunteers Michelle Cue, Debbie Eastland and Tracey Sonka, 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