The following video is brought to you courtesy of the Sky News YouTube Channel. Click the video below to watch it now.
It comes following allegations of sexual harassment and bullying.
Sky News has spoken to four women who worked with Clarke and said they were not surprised by the allegations.
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: