The following video is brought to you courtesy of the Sky News YouTube Channel. Click the video below to watch it now.
Simon Case, the Prime Minister’s top civil servant, stepped down from that investigation after it emerged a Christmas party had taken place in his own office.
This was following the Tory defeat in the North Shropshire by-election, a seat which they had held for all but two of the past 189 years.
Sky’s Deputy Political Editor Sam Coates reports.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps: Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanol
To enquire about licensing Sky News content, contact email@example.com”