Chicago Can No Longer Use Dry Ice To Kill RatsThe city has been fielding more complaints about rats, as its had to refrain from using dry ice, a method that suffocates and kills rodents.
City Adding More Rat Control TeamsWith complaints about rodents on the rise, city crews are stepping up efforts to target rats.
City Hall Sends Couple $500 Bill For Rat Control On Public PropertyCBS 2's Brad Edwards reports on a perplexing situation for a pair of elderly property owners.

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