Oleh from Oleshky, Kherson Region, who travels with his family is pictured at the Medyka-Shehyni checkpoint on the Ukraine-Poland border, Poland on March 29, 2022. More than four million Ukrainians have now fled the country to escape Russia's "senseless war", the United Nations said Wednesday. UNHCR, the UN refugee agency, said 4,019,287 Ukrainians had fled across the country's borders since the February 24 invasion, with more than 2.3 million having headed west into Poland. Photo by Anna Voitenko/Ukrinform/ABACAPRESS.COM