Police and other investigators walked the silent streets of ruined towns around Ukraine's capital, documenting widespread killings of unarmed civilians and other alleged war crimes by Russian forces that could draw tough new Western sanctions as soon as Wednesday.
While Ukrainian President Volodymyr Zelenskyy kept up demands for war-crimes trials for Russian troops and their leaders, he and others increasingly warn that the Russians are regrouping for a new assault on Ukraine's east and south.
