Joe Biden condemned Vladimir Putin as a “butcher” who could no longer stay in power in a historic speech in Poland as Russian missiles rained down on Ukraine’s most pro-western city, just 40 miles from the Polish border, and Ukraine’s president called for more military aid.
With explosions erupting across neighbouring Lviv, in a clear act of defiance from the Kremlin, Biden told an audience in Warsaw that the west must steel itself “for a long fight ahead”.