Read this: Channel 4 exit deal lined up for chief executive Andy Duncan |Media |guardian.co.uk

Summary: Andy Duncan decision for him to leave said to be 'mutual'. Photograph Channel 4 Andy Duncan is to step down from his Channel 4 job before the end of the year in a move that will leave the broadcaster effectively leaderless as it negotiates its future over the coming months. However, some industry sources have questioned how close Channel 4 and Sky are to concluding an ad sales deal. - guardian.co.uk