CHICAGO (CBS) — There is a large police presence in the West Garfield Park neighborhood, near the intersection of Karlov and Madison.

Chopper 2 captured dozens of officers in the area, but the reason for the response was not immediately clear.

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There were reports, not yet confirmed, of an officer injured in the area.

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Police respond to an incdent in West Garfield Park. (CBS)

A person in the crowd threw a glass bottle, hitting a local television vehicle. The response comes after a night of looting and violence downtown.

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Developing.