US bans Russian energy imports, Ukrainians flee cities under fire

President Joe Biden on Tuesday banned Russian oil and other energy imports to the United States, piling pressure on Russian leader Vladimir Putin to halt his devastating assault on Ukraine, but an effort to evacuate civilians from the besieged port city of Mariupol failed.

Ukraine's government accused Russian forces of shelling a humanitarian corridor that Moscow had promised to open to let residents flee Mariupol. The humanitarian situation there was catastrophic, a deputy prime minister...