U.N.: 1.2+ Million People Have Fled Ukraine In 9 Days

CNN is on board a train full of children who are weak and sick trying to leave Ukraine. Filippo Grandi, the UN High Commissioner for Refugees, said in a statement: "I have worked in refugee emergencies for almost 40 years, and rarely have I seen an exodus as rapid as this one." To learn more about how CNN protects listener privacy, visit cnn.com/privacy