U.S. Ice Storm Grounds Flights as Power Lines Put at Risk

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A frigid winter storm iced power lines and runways across the U.S. South, grounding flights and knocking out electricity to thousands of customers.

At least 2,824 flights around the U.S. were canceled yesterday and today, according to FlightAware, a Houston-based airline tracking company. Utilities were staging crews to work on anticipated power losses from Texas to Arkansas, some of which may last a week. Sub-freezing temperatures may also crimp natural gas production in the central U.S.