The Fire Department said four people were injured when a steel I-beam came down at a construction site at the northeast corner of Lake and Canal streets around 9:15 a.m.
Copper thieves made off recently with thousands of dollars worth of valuable metal from a couple of homes being built by Habitat for Humanity in the southwest suburbs.
The 38-year-old man was at a construction site near East 130th Street and South Torrence Avenue when a piece of falling debris, possibly iron, struck him.
Burglars made off with a load of copper wire that would stretch across 2 1/2 football fields at the construction site for a new arts center at the University of Chicago.
A contractor at a River North neighborhood construction site has made a disturbing discovery.