Dozens of people protested outside and inside the Wilson Building on Wednesday, calling on D.C. Mayor Muriel Bowser to end a voluntary collaboration by D.C. police with federal immigration officers. Immigration rights activists said they're upset about the ongoing immigration enforcement in the District.

Wednesday's demonstration follows a recent traffic stop that appeared to end with a possible immigration arrest outside a D.C. elementary school .

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Bowser has been critical of D.C. law enforcement being involved with immigration operations in the District. She acknowledged Wednesday that the Metropolitan Police Department (MPD)'s cooperation with federal immigration enforcement, coupled with the federal surge and Natio

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