Killing of Ukrainian civilians could bring new sanctions

President Joe Biden speaks during an event about the Affordable Care Act, in the East Room of the White House in Washington, Tuesday, April 5, 2022. (AP Photo/Carolyn Kaster)

A family walks past a car crushed by a Russian tank in Bucha, in the outskirts of Kyiv, Ukraine, Tuesday, April 5, 2022. Ukraine's president planned to address the U.N.'s most powerful body on Tuesday after even more grisly evidence emerged of civilian massacres in areas that Russian forces recently withdrew from. (AP Photo/Rodrigo Abd)

Ukrainian soldiers recover the remains of four killed civilians from inside a charred vehicle in Bucha, outskirts of Kyiv, Ukraine, Tuesday. Ukraine’s president plans to address the U.N.’s most powerful body after even more grisly evidence emerged of civilian massacres in areas that Russian forces recently left. (AP Photo/Felipe Dana)

BUCHA, Ukraine — 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 today.