FOTOS AP y AFP

: Supporters of Venezuelan President Nicolas Maduro take part in a counter-demonstration as opponents of the president hold massive rallies, in Caracas on April 19, 2017. Clashes broke out Wednesday at massive protests against Maduro, as riot police fired tear gas to push back stone-throwing demonstrators and a young protester was shot dead. Violence erupted when thousands of opposition protesters tried to march on central Caracas, a pro-government bastion where red-clad Maduro supporters were massing for a counter-demonstration. / AFP / Federico PARRA

: Demonstrators wade across the Guaire River as they run away from security forces during anti-government protests in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Ariana Cubillos)

: A protester is carried after being injured in clashes with security forces during anti-government protests in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Ariana Cubillos)

: Un manifestante devuelve un cartucho de gas lacrimógeno a las fuerzas de seguridad durante las protestas contra el gobierno en Caracas, Venezuela, el miércoles 19 de abril de 2017. (AP Foto/Fernando Llano)

: Rescatistas atienden a un manifestante golpeado por un contenedor de gas lacrimógeno disparado por la Guardia Nacional Bolivariana contra manifestantes en Caracas, Venezuela, el miércoles 19 de abril de 2017. (AP Foto/Fernando Llano)

: Anti-government protesters rest during a break in clashes with security forces in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Ariana Cubillos)

: An anti-government protesters throws a molotov bomb at security forces in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled socialist president. (AP Photo/Fernando Llano)

: Anti-Government protesters stand at a barricade in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Fernando Llano)

: Anti-government protesters take cover during clashes with security forces in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Fernando Llano)

: Demonstrators take cover with a piece of corrugated tin roofing during anti-government protests in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Fernando Llano)

: Anti-government protesters launch stones with a sling during clashes in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled socialist president. (AP Photo/Fernando Llano)

: A youth with a gas mask takes cover behind a piece of corrugated tin roofing during anti-government protests in Caracas, Venezuela, Wednesday, April 19, 2017. Tens of thousands of opponents of President Nicolas Maduro flooded the streets of Caracas in what’s been dubbed the «mother of all marches» against the embattled president. (AP Photo/Fernando Llano)