It was free but sickening. Ambulances responded multiple times Tuesday to the same West Side neighborhood after at least seven people became ill after taking freebie bags of heroin, Chicago Police said. Police think the heroin was being offered in the 1400 block of West Hastings. Victims told authorities that they received free heroin in orange baggies and had taken it before getting sick. At least one victim was found passed out with his fists clenched, police spokesman Pat Camden said. It's unclear what was wrong with the heroin, although one possibility is it was more pure than what the...