13:06Newshour11/12/2021 13:06 GMT: G7 warns Russia over UkraineBBC World Service Duration: 50 minutes Sat 11th Dec 2021, 13:06 on BBC World Service East and Southern AfricaTensions are growing as Moscow amasses troops on Ukraine's border Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online