Old favourites such as Mock The Week, QI and Springwatch will also remain at the heart of the channel's offer.

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And last year, Mock The Week's producers were criticised by the BBC Trust over comments Boyle made on the show about swimmer Rebecca Adlington's appearance.

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"I was working out, " Blackburn said, offering mock protest at the amazement following his one-week swing from stay-at-home dad to NFL game-changer.

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The apparent breach of airport security follows a report last week that an undercover TSA inspector brought a mock explosive device through two security checks at Newark Liberty International Airport in New Jersey.

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