00:50NewscastSeries 3TikTok Banned From UK ParliamentBBC News Duration: 29 minutes Fri 24th Mar 2023, 00:50 on BBC One Northern Ireland HDFormer Conservative leader, Sir Iain Duncan Smith, talks Partygate, China and TikTok.GenresFactualPoliticsNewsBrandNewscastSeriesNewscast: Series 3 Source: BBC Online