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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CORRECTS TORNADO MEASUREMENT TO NUMBER REPORTED BY THE NATIONAL WEATHER SERVICE - A woman carries a child through a field near the collapsed Plaza Towers Elementary School in Moore, Okla., Monday, May 20, 2013. A tornado as much as half a mile wide with winds up to 200 mph 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 Sue Ogrocki)