A demonstrator pushes a riot policeman during a protest to demand justice over the murder of environmental and indigenous rights activist Berta Caceres in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





A demonstrator throws a stone toward riot policeman during a protest to demand justice over the murder of environmental and indigenous rights activist Berta Caceres in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





A pedestrian covers his nose as he runs past a tear gas canister fired by police during a protest to demand justice over the murder of environmental and indigenous rights activist Berta Caceres in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





A demonstrator wears a hat with a picture of late environmental and indigenous rights activist Berta Caceres during a protest to demand justice over her murder of in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





A demonstrator is detained by riot policemen during a protest to demand justice over the murder of environmental and indigenous rights activist Berta Caceres in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





A demonstrator is detained by riot policemen during a protest to demand justice over the murder of environmental and indigenous rights activist Berta Caceres in Tegucigalpa, Honduras, May 9, 2016. (Photo by Jorge Cabrera/Reuters)





Supporters of the opposition Coalition for Reforms and Democracy (CORD), led by former Prime Minister Raila Odinga, react as they shout slogans during a demonstration against Independent Electoral and Boundaries Commission (IEBC) in downtown Nairobi, Kenya, 09 May 2016. Opposition leaders and supporters staged a protest against the country's electoral body in an attempt to push for the reforms ahead of the next year's general elections. Police used teargas as protesters engaged in running battles with them. (Photo by Dai Kurokawa/EPA)





An opposition supporter standing amidst clouds of tear gas throws a rock towards riot police, during a protest in downtown Nairobi, Kenya Monday, May 9, 2016. Kenyan police have tear-gassed opposition supporters after some pelted police with rocks during a protest demanding the disbandment of the electoral authority over alleged bias and corruption. (Photo by Ben Curtis/AP Photo)





A riot policeman fires tear gas towards opposition supporters during a protest in downtown Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Police fire tear gas towards opposition supporters as they run away during a protest in downtown Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





The conductor of a public minibus, known locally as a matatu, looks out as the bus passes opposition supporters staging a protest in Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Opposition supporters run away from tear gas fired by riot police during a protest in downtown Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Riot policeman charge towards opposition supporters during a protest in Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Tear gas canisters rain down next to opposition supporters as they taunt riot police during a protest in downtown Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Opposition supporters march, chant, and blow whistles during a protest in Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Kenyan photographers take cover from rocks thrown by protesters and tear gas fired by riot police, during a demonstration in downtown Nairobi, Kenya Monday, May 9, 2016. (Photo by Ben Curtis/AP Photo)





Journalists and riot-police take cover after riot police lobbed teargas canisters to disperse members of the opposition Coalition for Reforms and Democracy (CORD), during a protest at the premises hosting the headquarters of Independent Electoral and Boundaries Commission (IEBC) to demand the disbandment of the electoral body ahead of next year's election in Nairobi, Kenya, May 9, 2016. (Photo by Thomas Mukoya/Reuters)





Riot police accost suspected members of the opposition Coalition for Reforms and Democracy (CORD), during a protest at the premises hosting the headquarters of Independent Electoral and Boundaries Commission (IEBC) to demand the disbandment of the electoral body ahead of next year's election in Nairobi, Kenya, May 9, 2016. (Photo by Thomas Mukoya/Reuters)





A Kenyan opposition Coalition for Reforms and Democracy (CORD) supporter carries a rock and blows a whistle during a protest at the premises hosting the headquarters of Independent Electoral and Boundaries Commission (IEBC) to demand the disbandment of the electoral body ahead of next year's election in Nairobi, Kenya, May 9, 2016. (Photo by Thomas Mukoya/Reuters)





A woman runs while another woman ducks down to avoid teargas as police disperse supporters of the opposition Coalition for Reforms and Democracy (CORD), led by former Prime Minister Raila Odinga, during a demonstration against Independent Electoral and Boundaries Commission (IEBC) in downtown Nairobi, Kenya, 09 May 2016. (Photo by Dai Kurokawa/EPA)





Demonstrators takes cover from the rain as they block a bridge during a protest calling on the government to help ease the economic effects of an harmful algal bloom that had affected their livelihoods at Chiloe island in Chile, May 8, 2016. (Photo by Pablo Sanhueza/Reuters)