ROUGH CUT - NO REPORTER NARRATION<br/> <br />Rio de Janeiro once again became the hotbed for clashes between protesters and police after tens of thousands of union demonstrators blocked roads and snarled traffic in dozens of<br/> <br />Brazilian cities on Thursday (July 11) in a one-day strike aimed at seizing the momentum of huge protests that swept the country last month.<br/> <br />A large group of protesters gathered outside Rio's Guanabara Palace, the official residence of Rio State Governor Sergio Cabral, whose resignation protesters have demanded.<br/> <br />Police fired tear gas, water cannon, and rubber bullets to disperse the crowd.<br/> <br />Protesters responded by upending trash cans and lighting them on fire in the middle of the street.<br/> <br />Overall in Brazil, the disruptions were limited compared to mass protests in June that drew more than a million supporters in the largest demonstrations in two decades.<br/> <br />Rio, which was the locus for violence during the June protests, remained peaceful d
