Demonstrators take part in a march against the re-election of Bolivian President Evo Morales in La Paz, Bolivia, 21 February 2017. (Photo by Martin Alipaz/EPA)





Coca growers from Yungas clash with riot policemen in La Paz, Bolivia February 21, 2017. (Photo by David Mercado/Reuters)





A woman walks past near riot policemen during clashes with coca growers from Yungas in La Paz, Bolivia February 21, 2017. (Photo by David Mercado/Reuters)





Riot policemen launch tears gas canisters during clashes with coca growers from Yungas in La Paz, Bolivia February 21, 2017. (Photo by David Mercado/Reuters)





Coca growers from Yungas clash with riot policemen in La Paz, Bolivia February 21, 2017. (Photo by David Mercado/Reuters)





A coca grower from Yungas is arrested by riot policemen during clashes in La Paz, Bolivia February 21, 2017. (Photo by David Mercado/Reuters)





A coca grower from Yungas throws back a tear gas canister during clashes with riot policemen in La Paz, February 21, 2017. (Photo by David Mercado/Reuters)





A riot policeman launches a tear gas canister towards coca growers from Yungas during the clashes in La Paz, Bolivia, February 21, 2017. (Photo by David Mercado/Reuters)





Women protect themselves from tear gas during clashes of coca growers from Yungas with riot policemen in La Paz, Bolivia, February 21, 2017. (Photo by David Mercado/Reuters)





A riot policeman launches a tear gas canister towards coca growers from Yungas during the clashes in La Paz, Bolivia, February 21, 2017. (Photo by David Mercado/Reuters)





Coca growers from Yungas clash with riot policemen in La Paz, Bolivia, February 21, 2017. (Photo by David Mercado/Reuters)





Supporters of Bolivia's President Evo Morales attend a rally in La Paz, Bolivia, February 21, Bolivia, 2017. (Photo by David Mercado/Reuters)





Supporters of Bolivia's President Evo Morales attend a rally in La Paz, Bolivia, February 21, 2017. (Photo by David Mercado/Reuters)





A jet of water is released on protesters during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A protester is detained during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A protester is detained during a rally marking the anniversary of the death of workers union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A woman argues with riot policemen during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A woman raises her arms in front of riot policemen during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A riot policeman tries to detain a protester during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A protester prepares to throw a bottle containing paint toward riot police during a rally marking the anniversary of the death of union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





A demonstrator is detained during a rally marking the anniversary of the death of workers union leader Juan Pablo Jimenez, in Santiago, Chile February 21, 2017. (Photo by Ivan Alvarado/Reuters)





Supporters of various Ukrainian nationalist parties light smoke bombs as they chant slogans during a rally in front of Ukrainian Parliament, in central Kiev, on February 22, 2017. Members and supporters of ultra-nationalists “Svoboda”, “Pravy Sektor” and “National Corpus” political parties gathered on February 22, 2017 to mark the third anniversary of pro-EU protests that toppled pro-Kremlin president Viktor Yanukovych that was followed by Moscow's annexation of the Crimea peninsula and the Russian-backed insurgency in eastern Ukraine. (Photo by Genya Savilov/AFP Photo)





Activists of nationalist groups and their supporters take part in the so-called March of Dignity, marking the third anniversary of the 2014 Ukrainian pro-European Union (EU) mass protests, in Kiev, Ukraine, February 22, 2017. (Photo by Valentyn Ogirenko/Reuters)





Activists of nationalist groups and their supporters take part in the so-called March of Dignity, marking the third anniversary of the 2014 Ukrainian pro-European Union (EU) mass protests, in Kiev, Ukraine, February 22, 2017. (Photo by Valentyn Ogirenko/Reuters)





Activists of nationalist groups and their supporters take part in the so-called March of Dignity, marking the third anniversary of the 2014 Ukrainian pro-European Union (EU) mass protests, in Kiev, Ukraine, February 22, 2017. (Photo by Valentyn Ogirenko/Reuters)





Activists of nationalist groups and their supporters take part in the so-called March of Dignity, marking the third anniversary of the 2014 Ukrainian pro-European Union (EU) mass protests, in Kiev, Ukraine, February 22, 2017. (Photo by Valentyn Ogirenko/Reuters)