21:06Newshour04/08/2022 20:06 GMT: Taiwan: US says Chinese military exercises unnecessaryBBC World Service Duration: 50 minutes Thu 4th Aug 2022, 21:06 on BBC World Service West and Central AfricaInterviews, news and analysis of the day’s global events. Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online