CHICAGO (AP) - The severe storms moving across northern Illinois have knocked out power to 39,000 customers.
ComEd spokesman Martha Swaney says crews are working to restore electricity to homes and businesses. The hardest hit areas are south of Chicago.
Chicago authorities are getting crews ready to deal with the possibility of downed power lines and toppled trees.
Airlines have canceled more than 120 flights at Chicago's O'Hare International Airport. Wednesday night's White Sox game was postponed. A symphony concert scheduled at the city's downtown Millennium Park has been canceled.
Despite the storm, Game 1 of the National Hockey League's Stanley Cup series between the Boston Bruins and Chicago Blackhawks went on at the United Center.
Northwestern University canceled classes and finals scheduled for Wednesday night at its Chicago and Evanston campuses.
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