Community First Medical Center, located at the intersection of Addison Street and Central Avenue in Portage Park, was struck by several bullets at about 1:45 a.m. The bullets pierced several of the hospital's windows but no one was injured, according to authorities.
The shots may have been fired from a convenience store parking lot at a vehicle passing in the 3500-block of North Central Avenue, police said.
No one was in custody. Area North detectives are investigating.