21:06Newshour04/04/2022 20:06 GMT: Biden calls for Putin to be tried for war crimesBBC World Service Duration: 50 minutes Mon 4th Apr 2022, 21:06 on BBC World Service West and Central AfricaZelensky accuses Russian forces of committing genocide Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online