In photos: the massive Oklahoma tornado

IN Oklahoma a massive tornado has killed at leasts 51 people. The winds were up to 200 mph. The maelstrom was over half-a-mile wide. It must have been utterly terrifying:

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This aerial photo shows the Moore Medical center in Moore, Okla., following a tornado Monday, May 20, 2013. A tornado roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school. (AP Photo/Steve Gooch)