Chicago Department of Transportation workers occupy East Hyde Park Boulevard as they lay down concrete barriers Friday near the home of Democratic presidential candidate Sen. Barack Obama (D-Ill). Chicago police declined comment on the new security measures in the Kenwood neighborhood, referring questions to the Secret Service, which issued a statement: "Any visible changes in security will be coordinated with the Chicago Police Department and other city officials. We will make every effort to ensure that any adjustments in security affecting area residents will be as unobtrusive as possible."
Tribune photo by Terrence Antonio James
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