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An official looks on during a Superdome power outage in the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David Goldman)

Power outage at the Super Bowl

Super Bowl XLVII suffered an extraordinary and embarrassing delay on Sunday evening when a power surge caused most of the lights at the Mercedes Benz Superdome to go out with 13:22 left in the third quarter.