Venezuela' s opposition activists clash with riot police agents during a protest against Nicolas Maduro' s government in Caracas on April 4, 2017. Protesters clashed with police in Venezuela Tuesday as the opposition mobilized against moves to tighten President Nicolas Maduro' s grip on power. Protesters hurled stones at riot police who fired tear gas as they blocked the demonstrators from advancing through central Caracas, where pro- government activists were also planning to march. (Photo by Juan Barreto/AFP Photo)





Venezuela's opposition activists clash with riot police agents during a protest against Nicolas Maduro's government in Caracas on April 4, 2017. (Photo by Juan Barreto/AFP Photo)





A youth aiming a toy gun, reacts during clashes with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators help a fellow protester during clashes with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Police use a water cannon to disperse demonstrators during clashes with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Police officers protect themselves from traffic cones thrown by demonstrators during clashes with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Marco Bello/Reuters)





Demonstrators clash with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





The national guard fires a tear gas canister to disperse demonstrators during clashes with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators scuffle with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Marco Bello/Reuters)





Security forces block a street using riot shields during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Women try to protect themselves from tear gas as security forces clash with demonstrators during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with security forces during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





Security forces block demonstrators using riot shields during an opposition rally in Caracas, Venezuela on April 4, 2017. (Photo by Carlos Garcia Rawlins/Reuters)





A pro-government supporter wearing a helmet grabs an opposition supporter during a protest against Venezuelan President Nicolas Maduro's government outside the Venezuelan Prosecutor's office in Caracas, Venezuela on March 31, 2017. (Photo by Marco Bello/Reuters)





Conrado Perez (C), deputy of the Venezuelan coalition of opposition parties (MUD), carries a chicken while clashing with riot police during a protest outside the offices of the Venezuela's ombudsman in Caracas, Venezuela on April 3, 2017. (Photo by Carlos Garcia Rawlins/Reuters)