Oklahoma Tornado Declared an EF5 Storm

May 21 (Bloomberg) -- Residents returned to piles of debris where their homes once stood and rescue workers used dogs to sniff through rubble in search of survivors after a tornado two miles wide flattened an Oklahoma City suburb. At least 24 people died and 237 were injured, authorities said. Megan Hughes reports on Bloomberg Television's "Street Smart." (Source: Bloomberg)

Full Show: Bloomberg Best (09/30)
12:36 - A review of the week's top business stories from the U.S., Europe and Asia. (Source: Bloomberg)
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