Storm stops trains, leave 271,000 without power in Chicago area

SUN-TIMES MEDIA WIRE June 21, 2011 4:51PM Updated: June 21, 2011 10:53PM More than 271,000 Commonwealth Edison customers are without power, while other people are stranded on stopped Metra trains, after a severe thunderstorm downed power lines and trees throughout the Chicago area Tuesday night. The storm, which hit Chicago about 9 p.m., prompted numerous tornado warnings throughout the area, according to the National Weather Service