FluffyKittens.com, explains both the context and the timeline:
"On Sunday March the 21st The Conservatives launched the Cash-Gordon website. A site that included (unmoderated) tweets with the hashtag #cashgordon.
On the 22nd it all went a bit wrong. Here’s a timeline of tweet events from the first site “defacing” to the site being taken down 26 minutes later. Not all tweets are here, some people decided to delete their tweets before they could be plucked out of the API. These are the images and sites shown and redirected to … " more