Number of Ukraine refugees passes worst-case U.N. estimate

  • Internally displaced people look out from a bus at a refugee center in Zaporizhia, Ukraine, on Friday. The U.N. refugee agency says more than 4 million refugees have now fled Ukraine following Russia’s invasion, a new milestone in the largest refugee crisis in Europe since World War II. (AP Photo/Evgeniy Maloletka)

MEDYKA, Poland — The number of people who have fled Ukraine since Russian troops invaded has surpassed 4 million, the United Nations reported Wednesday as shelling continued in places where Moscow had vowed to ease its military operations.