'Transformers 3' lights up Chicago sky

July 27, 2010 (CHICAGO)

Flames shot out of rooftops, boats in the Chicago River and a helicopter hovering above.

On Tuesday night, there were intermittent street closures at Wacker Drive between Michigan and Columbus while crews filmed.

On Wednesday, the film crew was scheduled to shoot scenes at Millennium Park at 7 a.m., but that session was canceled after filming ran late Tuesday. They will, however, be on Columbus between Jackson and Balbo throughout the day.

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