23:40NewscastSeries 4Sadiq Khan on Alistair Darling, COP and Xmas TreesBBC News Duration: 29 minutes Thu 30th Nov 2023, 23:40 on BBC One South EastAdam Fleming chats to Labour mayor of London Sadiq Khan about Alistair Darling, COP28, Ulez and the Trafalgar Square Christmas Tree. GenresFactualPoliticsNewsBrandNewscastSeriesNewscast: Series 4 Source: BBC Online