![6283534341_63e2df8904](http://eic.opalstacked.com/media/2011/10/6283534341_63e2df8904.jpeg)
Yesterday, Occupy Oakland activists and supporters gathered at Oakland’s Main Library on 14th Avenue before marching through downtown. These photos were taken between 3 and 5 p.m., before police began throwing concussion grenades and tear gas into the crowd at around 8 p.m.