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On Tuesday the Labour Party released its manifesto for the 2017 general election.
The media event took place in Bradford, and journalists from across the land assembled to interview each other about its contents.
BBC assistant political editor Norman Smith was being interviewed by BBC News presenter Ben Brown when a woman walked into frame and waved at the camera.
This happens a lot with live TV.
An accidental breat grab to get rid of them, doesn't.
The moment was shared by ITN cameraman Jason Farrington.
Brown said moments after that it was 'completely unintentional'.
Unfortunate interruption of broadcast in Bradford - just tried to minimise disruption but v tricky live on air - completely unintentional — Ben Brown (@Ben Brown)
Kudos to Smith for not laughing.
More: Newsreaders are sharing their most hilarious on-air mistakes