4 Hospitalized After Carbon Monoxide Leak In Uptown Posted on March 2, 2021 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Four people were taken to the hospital Tuesday morning after a faulty furnace apparently caused elevated carbon monoxide levels in a high-rise apartment building in Uptown. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: