On July 11 , 2006 , a derailment caused a smoky fire in the Blue Line 's Milwaukee-Dearborn Subway . There were injuries from smoke inhalation , but no fatalities . The comparatively minor incident prompted heavy news coverage and a temporary stoppage of Chicago subway service because it occurred hours after train bombings in Mumbai earlier the same day
train bombings in Mumbai
2006 Mumbai train bombings
Blue Line (CTA)