Chunk of aluminum falls from building once known as the John Hancock

CHICAGO - A chunk of aluminum fell from 875 North Michigan Avenue, the building once known as the John Hancock Tower, but no injuries were reported.

The piece of cladding fell from 875 North Michigan Avenue around 3 p.m. Wednesday and landed on a planter on the south side of the building near Chestnut Street, according to Brian Pelrine, the 2nd Ward’s director of zoning and contracting.

Pelrine said management at the building was notified and "a larger investigation into the incident is planned as weather improves."

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The Hearn Company, which owns and manages the building, was unavailable for comment Friday afternoon.