Tina Fey, Jamie Dornan and Riz Ahmed first three guest hosts of UK Saturday Night Live

British version of the topical US comedy show will air live on Sky One and will be written in the week before broadcast

Tina Fey, Jamie Dornan and Riz Ahmed have been named as the first three guest hosts of the UK spin-off of Saturday Night Live.

The first episode of the long-awaited British version of the US late-night comedy show will air live on Sky on 21 March.