The signs — nailed to trees or wrapped around electricity poles — have appeared across some of the District’s heavily immigrant neighborhoods, marking the anger in a majority-Democratic city where federal immigration arrests have escalated.

“ICE kidnapped a community member here,” reads one. “Never forget/no nos olvidamos,” says another.

Barbara McCann, a city resident for 25 years, created one in August after she came upon a crowd of shouting people and broken glass on the street in her Columbia Heights neighborhood, where federal law enforcement agents had pulled two men from their car.

“People were kidnapped here this morning by ICE or ?” she wrote on the sign. “BANG pots HERE tonight 8pm.”

McCann said later that she thought of “stumbling stones” in Europe, the brass-topped cobblest

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