Occupy Oakalnd demonstrators clashes with police in Oakland Published January 31, 2012 at 3000 × 2000 in Occupy Oakland J28 Move-In Day For Reuters ← Previous Next → An Occupy Oakland demonstrator waits for medical assistance during a mass arrest outside a YMCA after a daylong demonstration in Oakland, California January 28, 2012. REUTERS/Stephen Lam (UNITED STATES)