A policeman jumps as he tried to avoid a tear gas grenade thrown back towards police by protesters in the Mathare neighborhood of Nairobi, Kenya Wednesday, July 12, 2023. Kenyans angered by the rising cost of living were back protesting on the streets of the capital, Nairobi, on Wednesday, as they awaited a speech by a longtime opposition leader. (Photo by AP Photo/Stringer)

Hawa Omar, 23, a Sudanese woman who fled the conflict in Sudan's Darfur region, is pictured at her temporary shelter in Adre, Chad on July 19, 2023. (Photo by Zohra Bensemra/Reuters)

Chelsea pensioner Mike Smith in the rear of one of two Spitfires flying over Sussex during a surprise flight organised by the Taxi Charity for Military Veterans on Tuesday, September 12, 2023. (Photo by Gareth Fuller/PA Images via Getty Images)

Smeared in colored powder fashionable women wearing sun glasses celebrate Holi, the Hindu festival of colors, in the Encino section of Los Angles on Sunday, March 24, 2024. (Photo by Richard Vogel/AP Photo)

A man shows medicine to an Indian policeman after he was stopped by the police during a curfew in Srinagar July 15, 2016. Curfew imposed in the disputed Himalayan region continued for the seventh straight day to check anti-India violence following the recent killing of a charismatic Kashmiri insurgent Burhan Wani. (Photo by Danish Ismail/Reuters)

Children, some in tears, are escorted down a road in Barcelona, Spain, Thursday, August 17, 2017. Police in Barcelona say a white van has mounted a sidewalk, struck several people in the city's Las Ramblas district. (Photo by Manu Fernandez/AP Photo)

A commuter exits a closed off station after a subway train derailment, Tuesday, June 27, 2017, in the Harlem neighborhood of New York. A subway train derailed near a station in Harlem on Tuesday, frightening passengers and resulting in a power outage as people were evacuated from trains along the subway line. The Fire Department of New York said a handful of people were treated for minor injuries at around 10 a.m. It said there was smoke but no fire. Delays were reported throughout the subway system. (Photo by Mary Altaffer/AP Photo)

Rio de Janeiro's state military policemen aim their guns during a violent protest in a favela next to Copacabana, Rio de Janeiro on April 22, 2014. Violent protests broke out in Rio's landmark beachfront district, Copacabana, following the death of a resident last weekend during clashes with the Army in a nearby favela. (Photo by Christophe Simon/AFP Photo)