Group pushing a giant rolling construction sign toward police in the middle of the intersection, police fire back with more tear gas. Big rush of people running back. Now loud chants of “I can’t breathe” A moment of relative quiet in a tense standoff, but riot police walking toward front line from the other side of the intersection. Some other kind of smoke in the air. Chants of “no peace” with a full block of police cars, motorcycles for at least a block and a half toward 8th