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Dozens of personal tents set up in McPherson Square as part of the Occupy DC and Occupy K Street demonstration a few blocks north of the White House.
Two months in to Occupy DC and other protests in the District, the demonstrations have cost the city $1 million in police and public works expenses.
Mayor Vincent Gray told WTOP radio he sees no end to the demonstrations. The city may ask the federal government to reimburse them for some of the expenses, Gray said.
The District and the U.S. Park Service have taken a less confrontational approach to the protesters compared to other cities. People are free to demonstrate peacefully, but the city won't tolerate violence or unlawful behavior, Gray said.