The robberies happened between 1 p.m. and 2 p.m. on Thursday on the city's Northwest Side.
The first robbery happened in the 4600 block of West Wrightwood. Then, another happened on nearby Milwaukee, followed by a robbery further west to Narragansett, two locations on Wabansia, and finally, one on Pulaski.
In all six cases, police said, two or three suspects in a white KIA sedan drove up to the victims and got out with handguns to rob them as they walked down the street.
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