As many as 91 people are feared dead in Oklahoma, where a tornado with winds of 320 kilometers an hour caused massive destruction Monday afternoon.
Massive Tornado Hits Oklahoma

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A woman carries an injured child to a triage center near the Plaza Towers Elementary School in Moore, Okla., Monday, May 20, 2013.

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A child calls to his father after being pulled from the rubble of the Tower Plaza Elementary School following a tornado in Moore, Okla., Monday, May 20, 2013.

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A fire burns in the Tower Plaza Addition following a tornado in Moore, Oklahoma, May 20, 2013. A tornado as much as a mile (1.6 kilometers) wide with winds up to 200 mph (320 kph) roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school.

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A child is pulled from the rubble of the Plaza Towers Elementary School in Moore, Okla., and passed along to rescuers Monday, May 20, 2013.