A woman who fled from Mariupol arrives by bus to a reception center for displaced people in Zaporizhzhia, Ukraine, Sunday, May 8, 2022. Thousands of Ukrainian continue to leave Russian occupied areas. (AP Photo/Francisco Seco)
UNITED NATIONS -- The United Nations chief says he is “appalled” at the reported attack on a school in the Ukrainian town of Bilohorivka, where many people were apparently seeking shelter from fighting.
