UPDATE: Police have issued another dispersal order, declaring an unlawful assembly anwyhere on Broadway past 14th Street.
UPDATE: I'm getting reports that police have told media they're planning to arrest everyone in the camp.
UPDATE: I just spoke to the Guardian's Yael Chanoff, who was on the scene when police broke out the tear gas. She said it went off at least three or four times, and that a line of riot police was stationed on 16th Street nearby Frank Ogawa Plaza, the site of the encampment which has been renamed Oscar Grant Plaza by Occupy Oakland.Read more »