CHICAGO (AP) — A boarded-up building in a small Chicago suburb has become the front line of a federal immigration crackdown , with growing accusations that the facility meant to process arrestees is a de facto detention center plagued by inhumane conditions.

The Trump administration has targeted the Chicago area for its latest immigration enforcement surge touting hundreds of arrests in the past three weeks.

Relatives, lawyers and activists are concerned by immigrants' accounts of what happens once they are inside the brick building in Broadview. Once routine protests outside the building have grown in recent weeks, with federal agents using chemical agents and physical force to push protesters back.

Advocates say up to 200 people are being held there at a time, with some held u

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