Chicago Police announced Wednesday that they arrested more than 70 people in two massive raids on the North and West Sides since Friday. 

The « vice and narcotics enforcement operations » targeted three specific street gangs, police said, with 20 arrests on the North Side and 50 on the city’s West Side. Police said the intent of the operations were to go after drug sales, the primary source of street gang revenue.

http://www.nbcchicago.com/news/local/Chicago-Police-Arrest-70-in-Drug-Gang-Raids-377384691.html

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