UN: 3.9 million people have fled Ukraine since Russia launched full-scale invasion.
More than 2.3 million people have left Ukraine for Poland since Feb. 24, according to the most recent data from the U.N. High Commissioner for Refugees office.
More than 2.3 million people have left Ukraine for Poland since Feb. 24, according to the most recent data from the U.N. High Commissioner for Refugees office.