ABC News photo editors chose the best news images of the week for this collection. </br></br>A gaucho rides an untamed horse during Creole week celebrations in Montevideo, Uruguay, March 27, 2018.
KV Svalbard's crew, formed by Norwegian Navy privates and scientists from Norwegian Institute of Marine Research, play soccer as they are protected from polar bears by armed guards in the Arctic Sea around Greenland, March 22, 2018.
Marius Vagenes Villanger/Kystvakten/Sjoforsvaret/NTB Scanpix/Reuters
Marjory Stoneman Douglas High School student Emma Gonzalez, center, listens with other students during the March for Our Lives Rally in Washington, D.C., March 24, 2018. </br></br>Galvanized by a massacre at a Florida high school, hundreds of thousands of Americans took to the streets in cities across the United States, March 24, 2018, in one of the biggest protests for gun control.
Jim Watson/AFP/Getty Images
Students clash with riot police outside the Education Ministry building during a protest in Santiago, Chile, March 27, 2018. </br></br>Chile's constitutional court struck down a law that would have banned universities operating for profit, dealing a blow to free tuition reforms brought in by former left-wing President Michelle Bachelet.
Claudio Reyes/AFP/Getty Images
Young male members of the Nazarenos brotherhood wait to participate in the Jesus Nazareno children's procession, part of Holy Week celebrations, in Zipaquira, Colombia, March 26, 2018.
Luis Acosta/AFP/Getty Images
A young boy walks down a street during a dust storm in Khartoum, Sudan, March 29, 2018. <br><br>A thick sandstorm engulfed the Sudanese capital, forcing authorities to cancel flights and shut schools in Khartoum and other nearby towns.
Ashraf Shazly/AFP/Getty Images
Competitors take part in the World Irish Dancing Championships, March 25, 2018, in Glasgow, Scotland. </br></br>The World Irish Dancing Championships take place in Glasgow at the Royal Concert Hall, with more than 14,500 dancers and supporters expected to travel to the championships, which have run for more than 40 years.
Jeff J Mitchell/Getty Images
Elephant attendants, known as mahouts in Southeast Asia, bathe an elephant at a temple on the outskirts of Kochi, India, March 27, 2018.
Stevante Clark, brother of Stephon Clark, disrupts a special city council meeting at Sacramento City Hall, March 27, 2018, in Sacramento, California. </br></br>Hundreds packed a special city council meeting at Sacramento City Hall to address concerns over the shooting death of unarmed Stephon Clark by Sacramento police.
Justin Sullivan/Getty Images
Firefighters from the Folsom, Calif., Fire Department rescue a motorist whose car became stuck as a flash flood washed over a road near Folsom, March 22, 2018. </br></br>A powerful storm spread more rain across California, swelling rivers, flooding streets and causing mud and rock slides.
Kelly B. Huston/California Governor's Office of Emergency Services/AP
A released Nigerian girl, who was kidnapped from her school in Dapchi, rests as she and her schoolmates wait to meet the Nigerian president at the Presidential Villa in Abuja, Nigeria, March 23, 2018. <br><br>The Nigerian president promised to free the remaining Christian schoolgirls still held by the Islamist militants Boko Haram, as he prepared to meet the other released Dapchi students. A total of 104 of the 110 students seized from the school in Dapchi on February 19 were released on March 21, 2018.
Philip Ojisua/AFP/Getty Images
A visitor wearing a traditional Japanese kimono strolls under cherry blossoms in Tokyo, March 29, 2018. </br></br>The cherry blossom season marks the arrival of spring for the Japanese.
French Republican guards stand in front of the flag-draped coffin of late Col. Arnaud Beltrame, who was killed by an Islamist militant after taking the place of a female hostage during a supermarket siege in Trebes, during a national ceremony at the Hotel des Invalides in Paris, March 28, 2018.