hundred were arrested as attempted to occupy a vacant convention center before storming into city hall artie's marina port. it began around saturday afternoon when roughly two hundred fifty occupy occupy optimists in oakland california began demonstrating in the streets and it was hours past the crowd grew stronger and stronger up to crosley twenty two thousand people strong ultimately what the goal was for this demonstration is for protesters to take over and abandoned building where they wanted to create their new headquarters because as our viewers may remember crossed the country in the united states just a few months ago police departments are removed activists from their camps and this was an attempt for oakland optimist to set up a new headquarters but as the crowd grew stronger and larger and thankfully the police in oakland began firing tear gas and flash grenades i v occupy atlanta this morning to the police they say members of the crowd began throwing things at times at the officers and that is what ultimately triggered this clash between police officers came to occupy an optimist b