World News Today is a current affairs news programme, produced by BBC News presented on Friday-Sundays with Philippa Thomas, Karin Giannone & Kasia Madera. Presenters alternate the weekend shifts. It was originally conceived as a morning television show aimed at American audiences, hosted by George Alagiah, but later expanded to six editions a day aimed at different markets. There is now one daily edition only, aimed as an evening news programme for the UK, Europe, Middle East and Africa part-simulcast on BBC Four, BBC News Channel and BBC World News.