In the south of Ukraine, the region has become one of the country’s lifelines. Refugees stream east through here, into Romania. In the opposite direction, a makeshift fleet of vans and cars ferry aid to those who remain. With supply chains broken, many children's homes in Ukraine, particularly those with disabilities, are unable to get medical and food supplies.

Cash assistance is allowing refugees from Ukraine to make their own decisions about what they need most after arriving in Poland and other countries in the region.

The number of Ukrainian refugees fleeing Russia's war in their country has crossed 4.1 million, the United Nations said Friday, adding: "This tragedy must stop".

Social worker Taryn LaMaison is a state worker in Louisiana who provides hands-on guidance for 18- to 21-year-olds who are no longer in traditional foster care because they have officially aged out of the system. She’s what’s known as a LifeSet specialist — a counselor who helps these young adults with everything from where to live to how to find a job.

The U.N. refugee agency says more than 4 million refugees have fled Ukraine since Russian troops invaded the country

Children make up half of all refugees from the war in Ukraine, according to UNICEF and UNHCR. More than 1.1 million children have arrived in Poland, with hundreds of thousands also arriving in Romania, Moldova, Hungary Slovakia and the Czech Republic.

The United Nations Children’s Fund (UNICEF) said Wednesday that at least 2 million children have been forced to flee Ukraine amid the ongoing Russian invasion. UNICEF and the U.N. Office of the High Commissioner for Refugees (UNHR) said in a statement that children make up half of all refugees from the ongoing conflict that has continued for over a month.  

The war in Ukraine upends life for Ukraine's vulnerable children with many more separated from parents in the fighting.

Women and children fleeing Ukraine are at a heightened risk of falling into the hands of human traffickers who are exploiting the chaos and anonymity resulting from mass displacements and humanitarian crises, Euro-Med Human Rights Monitor warned in a statement March 29.

More than 3.8 million people have fled Ukraine since Russia's invasion a month ago, UN figures showed March 27, but the flow of refugees has slowed down markedly. The UN refugee agency, UNHCR, said 3,821,049 Ukrainians had fled the country -- an increase of 48,450 from Saturday's figures. Around 90 percent of them are women and children, it added.