CHICAGO (CBS) — Police shut down a block of State Street south of Oak Street Thursday afternoon after something hit a window and sent glass falling.

The glass broke on a building at State and Walton streets.

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Falling Glass Shuts Down State Street

Falling glass shut down State Street south of Oak Street on Thursday, Aug. 29, 2019. (Credit: Adam Harrington/CBS 2)

There were reports that a bird hit the window, but police could not confirm the reports and a building manager did not know if a bird was involved.

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But the building manager said something clearly hit the building. He said no one was injured.

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Both sides of State Street were shut down near the scene after the glass fell. Chicago Transit Authority buses were rerouted.