[Graffiti artist Banksy pulls off most audacious stunt to date - despite being watched by CCTV | the Daily Mail](http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=559547&in_page_id=1766&ito=1490)
The article cover the entire story nicely. But I think I'll just leave it at a picture is worth a 1000 words.