Rat poison and dead squirrels have been found near neighborhood sidewalks since at least June. "Right now, it seems it just might be an individual doing this," Ald. Maria Hadden said.

A downtown block has become infested with rats and now residents are reaching out for help, feeling not enough has been done ...

An unorthodox researcher pursuing ‘the private lives of rats’ opened what seemed to be a new window on human nature.

As children get ready to go trick or treating, police are urging people to be careful after rat bait was slipped into ...