13:06Newshour04/06/2022 12:06 GMT: Tiananmen Square vigils banned in Hong KongBBC World Service Duration: 50 minutes Sat 4th Jun 2022, 13:06 on BBC World Service West and Central AfricaHong Kong prohibited from marking 33 anniversary of Tiananmen Square Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online