Demonstrators try to disrupt President Sebastian Pinera's final state of the nation speech to Congress.
Chilean police used water canons and tear gas to break up a demonstration calling for more wide-ranging and free education. The protests on Tuesday came as President Sebastian Piñera defended his record in a final state of the nation address to Congress. He recounted his success of creating jobs and announced educational reforms. Demonstrators included students and members of left-wing movements and unions who are fighting against neo-liberal policies and inequality in Chile.