BBC News published this video item, entitled “The No 10 Christmas party fallout – BBC News” – below is their description.
Allegra Stratton has resigned as a government adviser following an angry backlash over a video of No 10 staff joking about holding a Christmas party.
Boris Johnson says he’s ‘furious’ about the video and has launched an investigation into whether rules were broken.
But we’ve known for a week that a Christmas party was held in Downing Street last December.
Ros Atkins explains.
BBC News YouTube Channel
Got a comment? Leave your thoughts in the comments section, below. Please note comments are moderated before publication.