Look back: Monster twister hits Moore, Okla.

POSTED: 08:23 PM MDT May 20, 2013    UPDATED: 10:52 AM MDT Aug 16, 2013 
Plaza Towers Elementary, Moore tornado

Aug. 16 marks the first day of school since an EF5 tornado ravaged Moore, Okla., on May 20, 2013, killing 24 people -- including seven students at Plaza Towers Elementary school. Take a look back at images from the storm.