The Occupy Wall Street protesters are back in their park after a brief celebratory march on City Hall and Wall Street. A large crowd gathered in the park before dawn—activists say 3,000, the New York Times says 1,000—in anticipation of a confrontation with police and the park's owners, who demanded they leave the park so it could be cleaned. But with less than an hour to go before their eviction, the mayor's office announced the company would postpone the cleanup. A crowd of around 500 marchers then left the park, but were intercepted by police. At least 10 people have been arrested.