Demonstrations turn violent Monday night in Rio as thousands turn out to support teachers on strike for higher wages.<br/> <br />The protests started out peaceful with at least 10,000 people gathered in the streets holding banners and waving flags.<br/> <br />One protester said the protest must remain united.<br/> <br />We have to unify to destroy the corrupt, she said. We don't have politicians, we have thieves and villains!<br/> <br />But as the night wore on, violence broke out.<br/> <br />Police fired tear gas into the crowds who returned fire with Molotov cocktails and rocks.<br/> <br />Masked demonstrators set trash bags on fire and kicked in storefront windows.<br/> <br />The incident comes one week after a similar teacher demonstration ended up in chaos and violence.
