They were deemed to be non-human remains on Friday, the Cook Count Medical Examiner said.
The video in the player above and the following information are from a previous report.
The discovery was made around 3:15 p.m. in 1500 block of North LaSalle Drive in Old Town, police said.
A barber shop is located at the site. It appeared the business may have been expanding to the storefront where the discovery was made.
The Cook County Medical Examiner also investigated the discovery.
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No further information from Chicago police was immediately available.