Ukrainians plead for Mariupol rescue; Russian advance crawls

  • A woman begs for alms to feed her dogs in Kyiv, on Saturday, April 30, 2022. (AP Photo/Emilio Morenatti)

  • Destroyed houses are photographed in Irpin, on the outskirts of Kyiv, Ukraine, Saturday, April 30, 2022. (AP Photo/Emilio Morenatti)

  • Destroyed houses are photographed in Irpin, on the outskirts of Kyiv, Ukraine, Saturday, April 30, 2022. (AP Photo/Emilio Morenatti)

  • Oleksiy Onoschenko, 42, rescues books from his house destroyed during the Russian occupation in Irpin, in the outskirt of Kyiv, Ukraine on Saturday, April 30, 2022. (AP Photo/Emilio Morenatti)

  • This recent but undated photo provided Friday by the wife of a member of the Azov Regiment shows an unidentified wounded man lying on a mattress inside the Azovstal steel plant in Mariupol, in eastern Ukraine. (Anonymous/via AP )

  • People sit in a bus during evacuation from Lyman, Donetsk region, eastern Ukraine, Saturday. (AP Photo/Evgeniy Maloletka)

KHARKIV, Ukraine — Ukrainian forces fought village by village Saturday to hold back a Russian advance through the country’s east, while the United Nations worked to broker a civilian evacuation from the last defensive stronghold in the bombed-out ruins of the port city of Mariupol.