14:06Newshour25/08/2021 13:06 GMT: Race to evacuate most vulnerable AfghansBBC World Service Duration: 50 minutes Wed 25th Aug 2021, 14:06 on BBC World Service Americas and the CaribbeanSome Afghans say they are being prevented from reaching Kabul airport. Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online