A police officer uniform placed by the NGO Rio de Paz (Peace Rio) is pictured on a cross on Copacabana beach, in memory of police officers killed in Rio de Janeiro, Brazil, December 10, 2015. Rio de Paz placed 61 pictures of police officers killed in confrontations with criminals in 2015 in Rio de Janeiro, according to the NGO. (Photo by Sergio Moraes/Reuters)





A relative of a police officer walks among pictures planted by the NGO Rio de Paz (Peace Rio) on Copacabana beach, in memory of police officers killed in Rio de Janeiro, December 10, 2015. (Photo by Sergio Moraes/Reuters)





Riot police use water cannon to disperse demonstrators during a protest against the curfew in Sur district in the Kurdish dominated southeastern city of Diyarbakir, Turkey, December 10, 2015. Seven Kurdish militants and a policeman have been killed in four days of fighting in a southeastern Turkish province that has been under curfew all week, security sources said. Nusaybin, a district of Turkey's southeastern province of Mardin on the Syrian border, has been under curfew since Sunday. Eight policemen were also injured in the clashes. Eastern Turkey has suffered months of violence since a ceasefire with the Kurdish militant group PKK ended in July and the fighting shows little sign of tailing off. (Photo by Sertac Kayar/Reuters)





Demonstrators sit between a fire and police barricades during a protest against the curfew in Sur district in the Kurdish dominated southeastern city of Diyarbakir, Turkey, December 10, 2015. (Photo by Sertac Kayar/Reuters)





A demonstrator dressed as Santa Claus holds up a flag as a riot police vehicle releases a jet of water during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. The flag reads “Classist Workers Union”. (Photo by Ivan Alvarado/Reuters)





A demonstrator is detained by riot policemen during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A demonstrator dressed as Santa Claus holds up a flag as a riot police vehicle releases a jet of water during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A demonstrator is detained by riot policemen during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A demonstrator is detained by riot policemen during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A demonstrator wearing a presidential sash is seen as a riot police vehicle releases a jet of water during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A jet of water is released on demonstrators during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





Demonstrators are detained by riot policemen during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





A demonstrator is detained by riot policemen during a protest against the private system of pension fund administrators in Santiago, Chile, December 10, 2015. (Photo by Ivan Alvarado/Reuters)





Supporters of Kashmiri lawmaker Sheikh Abdul Rashid, commonly known as Engineer Rashid, carry an injured comrade during a demonstration to mark International Human Rights Day in Srinagar December 10, 2015. Dozens of the supporters of Rashid on Thursday held a protest against what the supporters say are human rights violations in Kashmir. (Photo by Danish Ismail/Reuters)





Supporters of Kashmiri lawmaker Sheikh Abdul Rashid, commonly known as Engineer Rashid, carry a goat with a placard as they shout slogans during a demonstration to mark International Human Rights Day in Srinagar December 10, 2015. (Photo by Danish Ismail/Reuters)





Kashmiri lawmaker Sheikh Abdul Rashid (C), commonly known as Engineer Rashid, and his supporters scuffle with police during a demonstration to mark International Human Rights Day in Srinagar December 10, 2015. (Photo by Danish Ismail/Reuters)





Cuban security personnel detain a member of the Ladies in White dissident group during a protest on International Human Rights Day, Havana December 10, 2015. Cuban police detained at least six protesters shouting “Freedom” and “Long live human rights” in Havana on Thursday and dissidents reported 100 arrests nationwide on U.N. Human Rights Day, when some Cubans seek to hold unauthorized demonstrations. (Photo by Alexandre Meneghini/Reuters)





Cuban security personnel detain members of the Ladies in White dissident group during a protest on International Human Rights Day, Havana, December 10, 2015. (Photo by Alexandre Meneghini/Reuters)





Cuban security personnel detain a supporter of the Ladies in White dissident group (L), during a protest on International Human Rights Day, Havana, December 10, 2015. (Photo by Alexandre Meneghini/Reuters)





Cuban security personnel detain a member of the Ladies in White dissident group during a protest on International Human Rights Day, Havana, December 10, 2015. (Photo by Alexandre Meneghini/Reuters)





Cuban security personnel detain a member of the Ladies in White dissident group during a protest on International Human Rights Day, Havana, December 10, 2015. (Photo by Alexandre Meneghini/Reuters)