Riot police officers point at a demonstrator with a taser, an... News PhotoActivity,Brazil,Conflict,Confrontation,Crisis,Day,Demanding,Description,Industry,Labor Union,Motion,Night,Occupation,Police Force,Politics,Protest,Protestor,Rio de Janeiro,Riot Police,Stun Gun,Vertical,Violence,WeaponPhotographer Collection: AFP 2013 AFPRiot police officers point at a demonstrator with a taser, an electroshock weapon, during clashes which erupted after a march by Brazilian workers in Rio de Janeiro on July 11, 2013 in a day of industrial action called by major unions to press demands for better work conditions. Demonstrators on Thursday blocked roads and staged protest rallies across the country on the 'National Day of Struggles' which was called by the country's five leading labour federations during last month's mass street protests to demand better public services and an end to endemic corruption. AFP PHOTO / CHRISTOPHE SIMON (Photo credit should read CHRISTOPHE SIMON/AFP/Getty Images)