Residents protest a police operation targeting drug traffickers in the Jacarezinho favela of Rio de Janeiro, Brazil, Thursday, May 6, 2021. At least 25 people died during the operation, including one police officer and 24 suspects, according to the press office of Rio's civil police. (Photo by Silvia Izquierdo/AP Photo)

A woman takes cover as shots are fired by police officers as they face off with stone-throwing protesters, during an anti-government demonstration in Bujumbura, Burundi, 20 May 2015. Police officers fired shots and teargas canisters in running battles with protesters who demonstrated against Burundi's President Pierre Nkurunziza's bid for a third term. Presidential spokesman man said on 20 May that the country will postpone its parliamentary and local council elections, previously scheduled for 26 May, to 05 June 2015. According to the United Nations' refugee agency, more than 105,000 Burndians have fled the country to seek refuge in neighbouring countries such as Rwanda, DR Congo, and Tanzania. (Photo by Dai Kurokawa/EPA)

Riot police runs as a woman falls down during a May Day rally in the Kreuzberg district of Berlin, Germany, 01 May 2016. (Photo by Kay Nietfeld/EPA)

An injured protestor grieves in pain as police fire tear gas to disperse protesting members of the Inter University Students Federation during an anti government protest in Colombo, Sri Lanka, Thursday, May 19, 2022. Sri Lankans have been protesting for more than a month demanding the resignation of President Gotabaya Rajapaksa, holding him responsible for the country's worst economic crisis in recent memory. (Photo by Eranga Jayawardena/AP Photo)

A Kenyan police officer calls for reinforcement in front of a lorry set on fire by protesters during riots in the informal settlement of Kibera in Nairobia on May 2, 2023. Kenyan riot police were out on the streets on May 2, 2023 as the opposition defied a police ban and staged new demonstrations over the cost of living crisis and last year's election results. (Photo by Luis Tato/AFP Photo)

A looter smiles as she runs away from a member of the South African Police Services (SAPS) inside the Lotsoho Mall in Katlehong township, East of Johannesburg, on July 12, 2021. Several shops are damaged and cars burnt in Johannesburg, following a night of violence. Police are on the scene trying to control further protests. It is unclear if this is linked to sporadic protests following the incarceration of former president Jacob Zuma. (Photo by Phill Magakoe/AFP Photo)

Riot police officers in position to crack down on demonstrators during a protest against Venezuelan President Nicolas Maduro, in Caracas on April 20, 2017. Venezuelan riot police fired tear gas Thursday at groups of protesters seeking to oust President Nicolas Maduro, who have vowed new mass marches after a day of deadly unrest. Police in western Caracas broke up scores of opposition protesters trying to join a larger march, though there was no immediate repeat of Wednesday's violent clashes, which left three people dead. (Photo by Juan Barreto/AFP Photo)

A demonstrator catches fire after the gas tank of a police motorbike exploded during clashes in a protest against Venezuelan President Nicolas Maduro, in Caracas on May 3, 2017. Venezuela' s angry opposition rallied Wednesday vowing huge street protests against President Nicolas Maduro' s plan to rewrite the constitution and accusing him of dodging elections to cling to power despite deadly unrest. (Photo by Juan Barreto/AFP Photo)