08:06Newsday2020/02/04 08:06 GMT: Chaos at key Iowa vote as results delayedBBC World Service Duration: 23 minutes Tue 4th Feb 2020, 08:06 on BBC World Service OnlineAvailable for over a yearListen nowDespite the absence of results, several candidates are claiming the lead. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online