Close Chicago battles rats with dry ice Some of America's biggest metros have begun using a chilling - and seemingly effective - new killing tool in the long and interminable urban war against rats: Dry ice. WXIA 5:09 PM. EST November 23, 2016 TRENDING VIDEOS Video Shows Rescue of Kala Brown Doraville PD, DeKalb DA ask for public's help solving murder Nick Gordon in Florida jail VIDEO: Rookie Sean Newcomb discusses MLB debut Georgia model vanishes, body found with organs missing Mother charged in deaths of two toddlers after kids were left in hot car Friend remembers veteran skydiver killed in fall Groups clash in Piedmont Park over Sharia Law The latest on the church bus crash Victims head home and emergency crews remember deadly bus crash More Stories Arrest warrant: Mother put children in oven, turned it on Oct 16, 2017, 5:21 p.m. Suspect shoots self after officer witnesses him… Oct 16, 2017, 5:23 p.m. Cops cannot compel drivers suspected of DUI to take… Oct 16, 2017, 3:11 p.m.