PHOTO: RADOVAN STOKLASA / ReutersUkrainian women and children wait to cross the border into Slovakia.
PHOTO: UMIT BEKTAS / ReutersThe remains of an unidentified military aeroplane lie in a residential area in Kyiv, after crashing into a house during a Russian air attack on Ukraine.
PHOTO: BERNADETT SZABO / ReutersFamilies, without men over 18 as they have been forbidden from leaving Ukraine, cross the border into Hungary, in the Beregsurany area.
PHOTO: INQUAM PHOTOS / ReutersVolunteers hand out tea, water and food to people crossing the border from Ukraine into the Romanian town of Siret.
PHOTO: KACPER PEMPEL / ReutersA girl and her mother cross the Polish border into the city of Medyka.
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PHOTO: CARLOS BARRIA / ReutersA family loads belongings into a car on the side of a road close to Kropyvnytskyi as they flee from the danger area.
PHOTO: UMIT BEKTAS / ReutersA woman walks in front of a damaged residential building in Kyiv.
PHOTO: OLGA YAKIMOVICH / ReutersEmergency medical personnel load a person in military uniform onto an ambulance in a residential area of Kyiv.
PHOTO: IACHESLAV RATYNSKYI / ReutersWomen, children and senior citizens in an air raid shelter in Kyiv.
PHOTO: UMIT BEKTAS / ReutersA man walks a dog in front of a Kyiv residential building badly damaged by Russian military action against the city.
PHOTO: RADOVAN STOKLASA / ReutersA group of Ukrainians embrace after crossing the Slovakian border into the city of Ubla.
PHOTO: BERNADETT SZABO / ReutersCarrying what little they can take with them, a mother and her two children walk towards the Ukrainian border with Hungary at Beregsurany.
PHOTO: UMIT BEKTAS / ReutersResidents of a residential building in Kyiv survey the damage caused by a Russian assault.
PHOTO: ANTONIO BRONIC / ReutersA young man with a stroller rests on the floor of a Kyiv underground station as he takes refuge from possible Russian air attacks.
PHOTO: KACPER PEMPEL / ReutersAfter a distressing, hours-long journey, Ukrainians cross the border with Poland into the city of Medyka.
PHOTO: RADOVAN STOKLASA / ReutersA young woman with a baby and a young child waits to cross the Ukrainian border into Slovakia, to flee from Russian air attacks.
PHOTO: IRAKLI GEDENIDZE / ReutersPeople take shelter from possible Russian air attacks in a Kyiv underground station.
PHOTO: RADOVAN STOKLASA / ReutersA visibly emotional Ukrainian woman hugs a baby after crossing the border from Ukraine into Slovakia, into the city of Ubla.
PHOTO: UMIT BEKTAS / ReutersA woman surveys the damage in one of the rooms in her Kyiv home.
PHOTO: ALEXANDER ERMOCHENKO / ReutersThe inside of a damaged school in Holivka, in the separatist-held region of Donetsk.
PHOTO: VIACHESLAV RATYNSKYI / ReutersWomen, children and senior citizens take refuge in an air raid shelter in Kyiv.
PHOTO: RADOVAN STOKLASA / ReutersA couple embrace in the city of Ubla, after managing to cross the Ukrainian border with Slovakia.
PHOTO: UMIT BEKTAS / ReutersA child sits on a swing opposite a Kyiv residential building badly damaged by a Russian assault.
PHOTO: UMIT BEKTAS / ReutersCrowds wait to board a train evacuating people from Kyiv to Lviv, at the central train station in the Ukrainian capital.