Chicago | 150 North Riverside
A piece of concrete collapsed at a construction site near the Chicago River between Lake and Randolph, officials said.
A large first responder presence could be seen at 150 N. Riverside Plaza, where a skyscraper has been under construction for over a year.
The Chicago Fire Department said a 10-foot by 10-foot section of concrete collapsed in the interior of the building just before 4 p.m. Thursday.