An interior ministry sapper collects unexploded shells, grenades and other devices in Hostomel, close to Kyiv, Ukraine, Monday, April 18, 2022. (Photo by Efrem Lukatsky/AP Photo)





A man suspected to be a Russian collaborator is detained during an operation by Security Service of Ukraine (SBU) in Kharkiv, Ukraine, Monday, April 18, 2022. (Photo by Felipe Dana/AP Photo)





Ariana plays with her dogs Chim and Nunia inside the train minutes before arriving with her family in Lviv from Kyiv, Ukraine, Sunday, April 17, 2022. (Photo by Rodrigo Abd/AP Photo)





A Ukrainian sapper searches for unexploded explosives as he passes by an Antonov An-225, world's biggest cargo aircraft destroyed during recent fighting between Russian and Ukrainian forces, at the Antonov airport in Hostomel, on the outskirts of Kyiv, Ukraine, Monday, April 18, 2022. (Photo by Efrem Lukatsky/AP Photo)





A woman cries next to the body of her father lying on the ground after a Russian attack in Kharkiv, Ukraine, Monday, April 18, 2022. (Photo by Felipe Dana/AP Photo)





Service members of pro-Russian troops sit atop of an armoured vehicle during Ukraine-Russia conflict near the southern port city of Mariupol, Ukraine April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





A view shows the bodies of civilians killed during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine on April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





A passenger of a car speaks near the turret of a tank, which was destroyed during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





Armoured vehicles of pro-Russian troops drive along a road during Ukraine-Russia conflict near the southern port city of Mariupol, Ukraine April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





A view shows a street, which was damaged during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine on April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





Service members of pro-Russian troops help civilians to get on an armoured vehicle during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





People take belongings out of a residential building, which was destroyed during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine on April 17, 2022. (Photo by Alexander Ermochenko/Reuters)





Servicemen of the Donetsk People's Republic militia look at bodies of Ukrainian soldiers placed in plastic bags in a tunnel, part of the Illich Iron & Steel Works Metallurgical Plant, the second largest metallurgical enterprise in Ukraine, in an area controlled by Russian-backed separatist forces in Mariupol, Ukraine, Monday, April 18, 2022. Mariupol, a strategic port on the Sea of Azov, has been besieged by Russian troops and forces from self-proclaimed separatist areas in eastern Ukraine for more than six weeks. (Photo by Alexei Alexandrov/AP Photo)





Rescuers look at crater following bombardment in central Kharkiv on April 17, 2022, amid the Russian invasion of Ukraine. A series of strikes in Ukraine's second-largest city of Kharkiv in the north east of the war-scarred country has left at least five dead and 13 injured, a regional health official told AFP. (Photo by Sergey Bobok/AFP Photo)





A teenager sits on a swing in a play ground opposit an apartment block destroyed in bombardment, in the Ukrainian town of Borodianka, in the Kyiv region on April 17, 2022. Russia invaded Ukraine on February 24, 2022. (Photo by Sergei Supinsky/AFP Photo)





A view of at least three rows of new graves for people killed during Russia's invasion of Ukraine, at a cemetery in Irpin, Kyiv region, Ukraine April 18, 2022. Picture taken with a drone. (Photo by Zohra Bensemra/Reuters)





A man ties his show lace placing his foot on the barrel of a destroyed Russian tank in the vilage of Andriivka, in the Kyiv region on April 17, 2022. (Photo by Sergei Supinsky/AFP Photo)





Firefighters battle a blaze after a civilian building was hit by a Russian missile on April 18, 2022 in Lviv, Ukraine. At least six people were killed and eight wounded in missile strikes in different areas of the city, according to the governor. (Photo by Joe Raedle/Getty Images)





Injured people react following a Russian shelling in Kharkiv, Ukraine, 16 April 2022. Kharkiv, Ukraine's second-largest city, and its surroundings have been heavily shelled by Russian forces since the invasion began on 24 February 2022. (Photo by Sergey Kozlov/EPA/EFE)





A torn front page ad shows incubent President Emmanuel Macron and challenger Marine Le Pen as the environmental group Extinction Rebellion takes part of a three-day demonstration against what they call France's inaction on climate issues, in the district of Porte de Saint Denis in the center of Paris, France, Monday, April 18, 2022. The activists say their objective is “to put climate issues back at the center of the presidential debate”. (Photo by Francois Mori/AP Photo)





A Jewish worshipper drapped in a Ukranian flag, takes part in the Cohanim prayer (priest's blessing) during the Passover holiday at the Western Wall in Jerusalem's Old City on April 18, 2022. (Photo by Gil Cohen-Magen/AFP Photo)





A woman dressed in traditional clothes reacts as men throw water at her during a traditional Easter celebration in Holloko, Hungary, April 18, 2022. (Photo by Bernadett Szabo/Reuters)





A reveller participates in the annual block party known as “Cordao de Boitata”, ahead of carnival festivities in Rio de Janeiro, Brazil on April 17, 2022. (Photo by Pilar Olivares/Reuters)





Revellers of the street carnival group “Cordao Do Boitata” walks on stilts during a “bloco”, one of the street parades leading up to the main samba contest in Rio's Sambodrome arena, at Madureira neighbourhood in the suburbs of Rio de Janeiro, Brazil, on April 17, 2022. (Photo by Mauro Pimentel/AFP Photo)





A woman dances during a rehearsal by the group “Tambores de Olokun” in Rio de Janeiro, Brazil, Sunday, April 17, 2022. The Brazilian municipalities of Rio de Janeiro and Sao Paulo postponed the traditional parades of the carnival samba schools to April 22 - 23, as a result of the COVID-19 pandemic. (Photo by Bruna Prado/AP Photo)





A child poses under petals falling from a cherry blossom tree in Greenwich Park in London, Britain, April 17, 2022. (Photo by Henry Nicholls/Reuters)





Riders dressed as knights take part in the International Jousting Tournament, held at the Royal Armouries Museum in Leeds, northern England on April 18, 2022. The four-day tournament, running from April 15 to 18, 2022, has seen knights from Norway, Portugal and the UK battle to be awarded the museum's Sword of Honour and Queen's Jubilee Trophy. The competition is the first time the Royal Armouries Museum has staged a tournament since the Covid-19 pandemic. Points are awarded for: horsemanship, lance skills as well as the accuracy and striking power in the joust. (Photo by Oli Scarff/AFP Photo)