A student aims a stick of wood at Bolivarian National Police officers during clashes outside the Central University in Caracas, Venezuela, Thursday, June 9, 2016. Students had planned to march from Venezuela's top university to elections headquarters, but hundreds of police in riot gear blocked the way. Students covered their faces with Venezuelan flags and threw bottles, stones and sticks while police lobbed tear gas. (Photo by Fernando Llano/AP Photo)





Supporters of Venezuela's President Nicolas Maduro run after an opposition lawmaker during a protest at the area of the elections council headquarters in Caracas, Venezuela, June 9, 2016. (Photo by Ivan Alvarado/Reuters)





A supporter of Venezuela's President Nicolas Maduro shouts slogans against opposition lawmakers during a protest at the area of the elections council headquarters in Caracas, Venezuela, June 9, 2016. (Photo by Ivan Alvarado/Reuters)





A man looks out as supporters of Venezuela's President Nicolas Maduro shout slogans against opposition lawmakers during a protest at the area of the elections council headquarters in Caracas, Venezuela, June 9, 2016. (Photo by Ivan Alvarado/Reuters)





Demonstrators clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A police officer uses tear gas on demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators shout slogans in front of riot policemen during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator shouts slogans as they run during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Pedestrians walk past riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator throws a molotov cocktail against riot policemen during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator holds a tear gas canister as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator attempts to throw a stone towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator attempts to throw a stone towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A riot police fires rubber bullets towards demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator attempts to throw a stone towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator attempts to throw a bottle towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Women run away from tear gas during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Female police officers clash with demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators gather as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator holds a tear gas canister as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A molotov cocktail explodes in front of riot police officers as they clash with demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators use a dustbin lid as cover as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. On the wall reads, “Chavez live”. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator uses a slingshot as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator reacts to the tear gas effects as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A riot police fires tear gas towards demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator holds a tear gas canister as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator prepares to throw a molotov cocktail towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A riot police officer reacts to the tear gas effects as they clash with demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator attempts to throw a stone towards riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A riot police gestures as they clash with demonstrators during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Demonstrators take cover as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





A demonstrator holds a tear gas canister as they clash with riot police officers during a protest called by university students against Venezuela's government in Caracas, Venezuela, June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Venezuelan National Guards patrol after looting attempts, according to local media, in the slum of Petare in Caracas, Venezuela June 9, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Riot police use pepper spray against a man during a protest over food shortage in Caracas, Venezuela June 9, 2016. (Photo by Marco Bello/Reuters)





People shout at riot police during a protest over food shortage in Caracas, Venezuela June 9, 2016. (Photo by Marco Bello/Reuters)





People shout at riot police during a protest over food shortage in Caracas, Venezuela June 9, 2016. (Photo by Marco Bello/Reuters)





A street cleaner works in front of a graffiti with the colours of the Venezuelan flag, on a street in Caracas, Venezuela, June 8, 2016. (Photo by Ivan Alvarado/Reuters)