Israeli soldiers fire a 155mm self-propelled howitzer towards the Gaza Strip from their position along the border in the southern Israeli city of Sderot on May 20, 2021. Israel is studying whether conditions are right to stop bombing Palestinian militants in Gaza but is preparing for “more days” of strikes if necessary, an Israeli military source said today. Diplomats stepped up efforts today toward a ceasefire to stem 10 days of deadly violence between Israel and armed Palestinian groups in Gaza as air strikes again hammered targets in the enclave. (Photo by Jack Guez/AFP Photo)

An Afghan policeman frisks a man while a burqa-cald woman sits in the trunk of a car on a roadside in Herat, Afghanistan, 05 July 2015. At least 18 police, two civilians and 30 rebels were killed in central Afghanistan during three days of fierce fighting, police said on 04 July. The clashes ended 04 July after security forces retook control of nine police checkpoints that had fallen to the rebels. (Photo by Jalil Rezayee/EPA)

A man treats a woman affected by pepper spray as Washington Metropolitan Police officers clash with demonstrators trying to pull down the statue of U.S. President Andrew Jackson in the middle of Lafayette Park in front of the White House during racial inequality protests in Washington, D.C., U.S., June 22, 2020. Dozens of law enforcement officers, led by U.S. Park Police, stormed into the square, swinging batons and firing chemical agents to scatter protesters. By dark, police had taken control and outnumbered demonstrators in the immediate area. (Photo by Tom Brenner/Reuters)

A group police are seen outside the home of a senior police officer in Bangkok, Thailand, Wednesday, March 15, 2023. Thai police have arrested a fellow officer who fired multiple gunshots from his home in Bangkok which forced an over 24 hours-long standoff after his colleagues tried to take him to be treated for mental illness. (Photo by Sakchai Lalit/AP Photo)

In this handout image provided by the Police of Swiss canton Valais the wreckage of a bus is seen after it crashed inside a motorway tunnel on March 13, 2012 in Sierre, Switzerland. 28 people, including 22 children, returning from a skiing holiday died in this bus accident. (Photo by Police Cantonale Valaisanne via Getty Images)

South Korean police officers show their martial arts' skills during the official launch ceremony of the 2012 Seoul Nuclear Security Summit on February 15, 2012 in Seoul, South Korea. The Korean National Police Agency launched a security squad, exclusively established for the successful hosting of the 2012 Seoul Nuclear Security Summit. The 2012 Seoul Nuclear Security Summit will be held in Seoul from March 26-27, 2012. (Photo by Chung Sung-Jun/Getty Images)

A police officer reacts to flames during a protest against Chile's government in Santiago, Chile on November 4, 2019. Unrest began in Chile last October 18 with protests against a rise in transport tickets and other austerity measures and descended into vandalism, looting, and clashes between demonstrators and police. Protesters are angry about low salaries and pensions, poor public healthcare and education, and a yawning gap between rich and poor. (Photo by Henry Romero/Reuters)

Rioters scuffle with police on a street in Mongkok district of Hong Kong, Tuesday, February 9, 2016. Rioters clashed with police overnight and into the early hours of Tuesday in a crowded area of Kowloon. The unrest started when local authorities tried to prevent street food sellers from operating on Monday night. Activists who are dissatisfied with Hong Kong's administration took part in the clashes, local media reports said. (Photo by Kin Cheung/AP Photo)