ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Colombia's nationwide agrarian protest erupted in clashes again on Tuesday as police and army troops tried to clear demonstrators blocking part of a road running through the southern Caqueta province.<br/> <br />Demonstrators threw petrol bombs at the authorities, as police and troops tried to disperse the crowd using tear gas.<br/> <br />The clashes lasted several hours with local media reporting that at least 11 people had been arrested.<br/> <br />Tuesday's violence was the latest in a string of confrontations that have marked a nationwide protest by Colombia's farmers, which began in mid-August. The demonstrations are aimed at President Juan Manuel Santos' agriculture and economic policies, which farmers say leave them unable to make any profit.<br/> <br />A curfew was imposed in Florencia overnight to control outbreaks of violence and looting.
